[mutter] Bump version to 2.91.6

[Owen Taylor <otaylor src gnome org>]

commit c1bf1ec71895ac1e504f6d41dfcc3535b34b85e0
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Tue Feb 1 12:25:14 2011 -0500

    Bump version to 2.91.6

 configure.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.in b/configure.in
index edddf57..b401bd2 100644
--- a/configure.in
+++ b/configure.in
@@ -2,7 +2,7 @@ AC_PREREQ(2.50)
 
 m4_define([mutter_major_version], [2])
 m4_define([mutter_minor_version], [91])
-m4_define([mutter_micro_version], [5])
+m4_define([mutter_micro_version], [6])
 
 m4_define([mutter_version],
           [mutter_major_version.mutter_minor_version.mutter_micro_version])