diff -Nru plasma-workspace-4.2.1.orig/plasma/shells/desktop/panelview.h plasma-workspace-4.2.1/plasma/shells/desktop/panelview.h
--- plasma-workspace-4.2.1.orig/plasma/shells/desktop/panelview.h	2009-03-27 13:10:46.000000000 -0300
+++ plasma-workspace-4.2.1/plasma/shells/desktop/panelview.h	2009-03-27 13:11:22.000000000 -0300
@@ -29,6 +29,7 @@
 
 #ifdef Q_WS_X11
 #include <X11/Xlib.h>
+#include <X11/Xdefs.h>
 #include <fixx11h.h>
 #endif