File fix_crash_bnc688262.diff of Package kdegraphics4.import5093

--- okular/ui/pagepainter.cpp	2011/03/18 18:48:01	1225248
+++ okular/ui/pagepainter.cpp	2011/03/18 18:48:10	1225249
@@ -738,7 +738,7 @@
     unsigned int * destData = (unsigned int *)dest.bits();
 
     // source image (1:1 conversion from pixmap)
-    QImage srcImage = src->toImage();
+    QImage srcImage = src->toImage().convertToFormat(format);
     unsigned int * srcData = (unsigned int *)srcImage.bits();
 
     // precalc the x correspondancy conversion in a lookup table