in the attempt to fix 627393, changed IFX_FileRead's readBlock to return the length it reads

core/fxge/ge/cfx_font.cpp

Index: core/fxge/ge/cfx_font.cpp
diff --git a/core/fxge/ge/cfx_font.cpp b/core/fxge/ge/cfx_font.cpp
index ce77cbf66152640dd791adaaba3458fdbe785bc3..b8003e4d32ebf590c5cf83c74e768110663a48cb 100644
--- a/core/fxge/ge/cfx_font.cpp
+++ b/core/fxge/ge/cfx_font.cpp
@@ -39,7 +39,7 @@ unsigned long FTStreamRead(FXFT_Stream stream,
     return 0;
 
   IFX_FileRead* pFile = static_cast<IFX_FileRead*>(stream->descriptor.pointer);
-  return pFile->ReadBlock(buffer, offset, count) ? count : 0;
+  return static_cast<unsigned long>(pFile->ReadBlock(buffer, offset, count));
 }
 
 void FTStreamClose(FXFT_Stream stream) {}