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 5604e53e404b567aefb614f6471ddb7f6f01eee3..2055b3b41bcef058b12fb5d36fd13bed90361c98 100644
--- a/core/fxge/ge/cfx_font.cpp
+++ b/core/fxge/ge/cfx_font.cpp
@@ -41,7 +41,7 @@ unsigned long FTStreamRead(FXFT_Stream stream,
 
   IFX_SeekableReadStream* pFile =
       static_cast<IFX_SeekableReadStream*>(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) {}