Qt4's qglobal.h defined TRUE and FALSE. Qt5 does not do it anymore. Replace it with true and false.

158f39ec78

This change is Qt4/Qt5 neutral.

src/Gui/Quarter/ImageReader.cpp

@@ -66,9 +66,9 @@ ImageReader::readImage(const SbString & filename, SbImage & sbimage) const
     }
 
     QtCoinCompatibility::QImageToSbImage(image,sbimage);
-    return TRUE;
+    return true;
   }
-  return FALSE;
+  return false;
 }