Patch for compatibility with VTK 9.5.0

--- Utilities/VTK/vtkGDCMImageReader.cxx.orig	2024-05-03 14:14:31
+++ Utilities/VTK/vtkGDCMImageReader.cxx	2025-07-08 14:34:08
@@ -608,7 +608,7 @@
     // FIXME a gdcm::Scanner would be much faster here:
     for(int i = 0; i < filenames->GetNumberOfValues(); ++i )
       {
-      const char *filename = filenames->GetValue( i );
+      const char *filename = filenames->GetValue( i ).c_str();
       gdcm::ImageReader reader;
       reader.SetFileName( filename );
       if( !reader.Read() )
@@ -703,7 +703,7 @@
     }
   else if ( this->FileNames && this->FileNames->GetNumberOfValues() > 0 )
     {
-    filename = this->FileNames->GetValue( 0 );
+    filename = this->FileNames->GetValue( 0 ).c_str();
     }
   else
     {
@@ -1459,7 +1459,7 @@
     for(int j = dext[4]; !this->AbortExecute && j <= dext[5]; ++j)
       {
       assert( j >= 0 && j <= this->FileNames->GetNumberOfValues() );
-      const char *filename = this->FileNames->GetValue( j );
+      const char *filename = this->FileNames->GetValue( j ).c_str();
       int load = this->LoadSingleFile( filename, pointer, len );
       if( !load )
         {
--- Utilities/VTK/vtkGDCMImageWriter.cxx.orig	2024-05-03 14:14:31
+++ Utilities/VTK/vtkGDCMImageWriter.cxx	2025-07-08 14:27:14
@@ -255,7 +255,7 @@
 {
   if( this->FileNames->GetNumberOfValues() )
     {
-    const char *filename = this->FileNames->GetValue(0);
+    const char *filename = this->FileNames->GetValue(0).c_str();
     return const_cast<char*>(filename);
     }
   return this->Superclass::GetFileName();
@@ -1148,7 +1148,7 @@
   if( this->FileNames->GetNumberOfValues() )
     {
     //int n = this->FileNames->GetNumberOfValues();
-    filename = this->FileNames->GetValue(k);
+    filename = this->FileNames->GetValue(k).c_str();
     }
   else
     {
--- Utilities/VTK/vtkGDCMImageReader2.cxx.orig	2024-05-03 14:14:31
+++ Utilities/VTK/vtkGDCMImageReader2.cxx	2025-07-08 14:33:42
@@ -388,7 +388,7 @@
     // FIXME a gdcm::Scanner would be much faster here:
     for(int i = 0; i < filenames->GetNumberOfValues(); ++i )
       {
-      const char *filename = filenames->GetValue( i );
+      const char *filename = filenames->GetValue( i ).c_str();
       gdcm::ImageReader reader;
       reader.SetFileName( filename );
       if( !reader.Read() )
@@ -480,7 +480,7 @@
     }
   else if ( this->FileNames && this->FileNames->GetNumberOfValues() > 0 )
     {
-    filename = this->FileNames->GetValue( 0 );
+    filename = this->FileNames->GetValue( 0 ).c_str();
     }
   else
     {
@@ -1177,7 +1177,7 @@
     for(int j = outExt[4]; !this->AbortExecute && j <= outExt[5]; ++j)
       {
       assert( j >= 0 && j <= this->FileNames->GetNumberOfValues() );
-      const char *filename = this->FileNames->GetValue( j );
+      const char *filename = this->FileNames->GetValue( j ).c_str();
       int load = this->LoadSingleFile( filename, pointer, len );
       vtkDebugMacro( "LoadSingleFile: " << filename );
       if( !load )
--- Utilities/VTK/vtkGDCMThreadedImageReader2.cxx.orig	2024-05-03 14:14:31
+++ Utilities/VTK/vtkGDCMThreadedImageReader2.cxx	2025-07-08 14:36:58
@@ -71,7 +71,7 @@
 //----------------------------------------------------------------------------
 const char *vtkGDCMThreadedImageReader2::GetFileName(int i)
 {
-  return this->FileNames->GetValue( i );
+  return this->FileNames->GetValue( i ).c_str();
 }
 
 //----------------------------------------------------------------------------
@@ -106,7 +106,7 @@
   for( int i = outExt[4]; i <= outExt[5] && i < maxfiles; ++i )
     {
     assert( i < maxfiles );
-    const char *filename = self->GetFileNames()->GetValue( i );
+    const char *filename = self->GetFileNames()->GetValue( i ).c_str();
     //ReadOneFile( filename );
     //outData->GetPointData()->GetScalars()->SetName("GDCMImage");
 
--- Utilities/VTK/Applications/gdcm2vtk.cxx.orig	2025-07-09 12:13:48
+++ Utilities/VTK/Applications/gdcm2vtk.cxx	2025-07-09 12:14:16
@@ -498,7 +498,7 @@
     {
     imgreader->SetFileLowerLeft( lowerleft );
     if( names->GetNumberOfValues() == 1 )
-      imgreader->SetFileName( names->GetValue(0) );
+      imgreader->SetFileName( names->GetValue(0).c_str() );
     else
       imgreader->SetFileNames(names);
     imgreader->Update();
--- Utilities/VTK/Applications/gdcmviewer.cxx.orig	2025-06-11 08:17:24
+++ Utilities/VTK/Applications/gdcmviewer.cxx	2025-07-09 12:12:12
@@ -321,7 +321,7 @@
   vtkGDCMImageReader *reader = vtkGDCMImageReader::New();
   if( filenames->GetSize() == 1 ) // Backward compatible...
     {
-    reader->SetFileName( filenames->GetValue(0) );
+    reader->SetFileName( filenames->GetValue(0).c_str() );
     }
   else
     {