File qt-4.8.7-fix-gcc11-build.patch of Package mingw64-libqt4

--- qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/html/HTMLImageElement.cpp.orig	2022-06-30 21:55:47.627498652 +0200
+++ qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/html/HTMLImageElement.cpp	2022-06-30 21:56:01.442634680 +0200
@@ -74,7 +74,7 @@
     RefPtr<HTMLImageElement> image = adoptRef(new HTMLImageElement(imgTag, document));
     if (optionalWidth)
         image->setWidth(*optionalWidth);
-    if (optionalHeight > 0)
+    if (optionalHeight)
         image->setHeight(*optionalHeight);
     return image.release();
 }