BUG: Fix memory leaks found using dynamic analysis

Charts/vtkColorTransferFunctionItem.cxx

@@ -110,7 +110,7 @@ void vtkColorTransferFunctionItem::ComputeTexture()
     values,
     reinterpret_cast<unsigned char*>(this->Texture->GetScalarPointer(0,0,0)),
     VTK_DOUBLE,dimension,1,4);
-  delete values;
+  delete [] values;
 }
 
 //-----------------------------------------------------------------------------

Charts/vtkCompositeTransferFunctionItem.cxx

@@ -131,7 +131,7 @@ void vtkCompositeTransferFunctionItem::ComputeTexture()
       ptr+=4;
       }
     }
-  delete values;
+  delete [] values;
 }
 
 //-----------------------------------------------------------------------------

Charts/vtkOpenGLContextDevice2D.cxx

@@ -551,7 +551,7 @@ void vtkOpenGLContextDevice2D::DrawQuad(float *f, int n)
     glDisableClientState(GL_TEXTURE_COORD_ARRAY);
     this->Storage->Texture->PostRender(this->Renderer);
     glDisable(GL_TEXTURE_2D);
-    delete texCoord;
+    delete [] texCoord;
     }
 }
 
@@ -580,7 +580,7 @@ void vtkOpenGLContextDevice2D::DrawPolygon(float *f, int n)
     glDisableClientState(GL_TEXTURE_COORD_ARRAY);
     this->Storage->Texture->PostRender(this->Renderer);
     glDisable(GL_TEXTURE_2D);
-    delete texCoord;
+    delete [] texCoord;
     }
 }