--- gtk+-2.15.0.orig/gtk/gtkstatusicon.c	2009-01-01 19:41:45.000000000 +0000
+++ gtk+-2.15.0/gtk/gtkstatusicon.c	2009-01-23 19:03:37.000000000 +0000
@@ -707,11 +707,13 @@
 	  button = 3;
 	  goto buttondown0;
 
+#ifdef WM_XBUTTONDOWN
 	case WM_XBUTTONDOWN:
 	  if (HIWORD (wparam) == XBUTTON1)
 	    button = 4;
 	  else
 	    button = 5;
+#endif
 
 	buttondown0:
 	  bc = g_new (ButtonCallbackData, 1);
@@ -733,11 +735,13 @@
 	  button = 3;
 	  goto buttonup0;
 
+#ifdef WM_XBUTTONUP
 	case WM_XBUTTONUP:
 	  if (HIWORD (wparam) == XBUTTON1)
 	    button = 4;
 	  else
 	    button = 5;
+#endif
 
 	buttonup0:
 	  bc = g_new (ButtonCallbackData, 1);