[sawfish] make get-window-by-role return nil when matching using a regex rather than throwing an error

[Christopher Bratusek <chrisb src gnome org>]

commit 487a0dd6af766382a30226dd70a00e7a63c2938b
Author: Christopher Roy Bratusek <zanghar freenet de>
Date:   Wed Nov 10 21:22:43 2010 +0100

    make get-window-by-role return nil when matching using a regex
    rather than throwing an error

 ChangeLog |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 0b9e40c..24ead09 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2010-11-10  Christopher Bratusek <zanghar freenet de>
+	* lisp/sawfish/wm/windows.jl: make get-window-by-role return nil if matching using a
+				      regex, rather than throwing an error
+
 2010-11-09  Christopher Bratusek <zanghar freenet de>
 	* lisp/sawfish/wm/windows.jl: added window-role function
 				      merged get-window-by-name-re into get-window-by-name