Merge lp:~compiz-team/compiz-core/compiz-core.fix_748840 into lp:compiz-core/0.9.5

[Sam Spilsbury]

Fix bug 748840

[Jason Smith (jassmith)]

review: Approve

=== modified file 'src/window.cpp'
--- src/window.cpp	2011-10-03 12:58:36 +0000
+++ src/window.cpp	2011-10-05 18:11:24 +0000
@@ -4310,7 +4310,7 @@
 	     * window may not be allowed). */
 	    if (p && PrivateWindow::validSiblingBelow (p, this))
 	    {
-		p = PrivateWindow::findValidStackSiblingBelow (sibling, p);
+		p = PrivateWindow::findValidStackSiblingBelow (this, p);
 
 		/* if we found a valid sibling under the active window, it's
 		   our new sibling we want to stack above */