math/py-matplotlib: unbreak build with Clang 6 (C++14 by default)
extern/ttconv/pprdrv_tt.cpp:245:41: error: cast from pointer to smaller type 'char' loses information
font->Copyright[length]=(char)NULL; ^~~~~~~~~~
extern/ttconv/pprdrv_tt.cpp:261:42: error: cast from pointer to smaller type 'char' loses information
font->FamilyName[length]=(char)NULL; ^~~~~~~~~~
extern/ttconv/pprdrv_tt.cpp:277:37: error: cast from pointer to smaller type 'char' loses information
font->Style[length]=(char)NULL; ^~~~~~~~~~
extern/ttconv/pprdrv_tt.cpp:293:40: error: cast from pointer to smaller type 'char' loses information
font->FullName[length]=(char)NULL; ^~~~~~~~~~
extern/ttconv/pprdrv_tt.cpp:309:39: error: cast from pointer to smaller type 'char' loses information
font->Version[length]=(char)NULL; ^~~~~~~~~~
extern/ttconv/pprdrv_tt.cpp:325:40: error: cast from pointer to smaller type 'char' loses information
font->PostName[length]=(char)NULL; ^~~~~~~~~~
extern/ttconv/pprdrv_tt.cpp:340:42: error: cast from pointer to smaller type 'char' loses information
font->PostName[length/2]=(char)NULL; ^~~~~~~~~~
extern/ttconv/pprdrv_tt.cpp:355:41: error: cast from pointer to smaller type 'char' loses information
font->Trademark[length]=(char)NULL; ^~~~~~~~~~
extern/ttconv/pprdrv_tt.cpp:1041:19: error: cast from pointer to smaller type 'char' loses information
temp[len]=(char)NULL; /* a buffer and make it ASCIIz. */ ^~~~~~~~~~
Reported by: antoine (via bug 224669)