fix a few warnings

Extras/Serialize/BulletFileLoader/bFile.cpp

@@ -75,7 +75,8 @@ bFile::bFile(const char *filename, const char headerString[7])
 		fseek(fp, 0L, SEEK_SET);
 
 		mFileBuffer = (char*)malloc(mFileLen+1);
-		fread(mFileBuffer, mFileLen, 1, fp);
+		size_t bytesRead;
+		bytesRead = fread(mFileBuffer, mFileLen, 1, fp);
 
 		fclose(fp);
 

examples/SharedMemory/PhysicsServerCommandProcessor.cpp

@@ -287,7 +287,8 @@ struct CommandLogPlayback
 		m_file = fopen(fileName,"rb");
 		if (m_file)
 		{
-			fread(m_header,12,1,m_file);
+			size_t bytesRead;
+			bytesRead = fread(m_header,12,1,m_file);
 		}
 		unsigned char c = m_header[7];
 		m_fileIs64bit =  (c=='-');