[STUMP] [PATCH] Avoid crash when window placement rules specify a non-existent frame.

[Ben Spencer]

---
 tile-group.lisp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tile-group.lisp b/tile-group.lisp
index 27ce0c3..d2f9191 100644
--- a/tile-group.lisp
+++ b/tile-group.lisp
@@ -60,7 +60,7 @@
             (pick-preferred-frame window)))
   (when *processing-existing-windows*
     (setf (frame-window (window-frame window)) window))
-  (when raise
+  (when (and frame raise)
     (setf (tile-group-current-frame group) frame
           (frame-window frame) nil))
   (sync-frame-windows group (window-frame window))
-- 
1.6.3.1