vtkfreetype function not mangled
This issue was created automatically from an original Mantis Issue. Further discussion may take place here.
The freetype function FT_Stream_OpenGzip does not have its matching mangling define in ThirdParty/freetype/vtkfreetype/include/vtk_freetype_mangle.h
Linker complains of symbol 'already defined' when mixing with Qt freetype, for instance.
Possibly add #define FT_Stream_OpenGzip freetype_FT_Stream_OpenGzip at Line 220 to resolve the error.