File plastik-default.diff of Package libqt4

--- src/gui/kernel/qguiplatformplugin.cpp
+++ src/gui/kernel/qguiplatformplugin.cpp
@@ -180,7 +180,10 @@
         stylename = QLatin1String("cde");
         break;
     default:
-        // Don't do anything
+        if (X11->use_xrender)
+            stylename =  QLatin1String("plastique");
+        else
+            stylename =  QLatin1String("windows");
         break;
     }
     return stylename;