[mutter] configure: Flip default to GTK3

[Colin Walters <walters src gnome org>]

commit 069092eb9dae48a0aaa208728ad58d997d444221
Author: Colin Walters <walters verbum org>
Date:   Tue Oct 5 12:07:53 2010 -0400

    configure: Flip default to GTK3
    
    This is the primary target for GNOME 3, so it makes sense to have
    it be the default.

 configure.in |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/configure.in b/configure.in
index 560bda3..3b7b3d0 100644
--- a/configure.in
+++ b/configure.in
@@ -129,13 +129,13 @@ changequote([,])dnl
 
 AC_MSG_CHECKING([which gtk+ version to compile against])
 AC_ARG_WITH([gtk],
-  AC_HELP_STRING([--with-gtk=2.0|3.0],
-                 [which gtk+ version to compile against (default: 2)]),
+  AC_HELP_STRING([--with-gtk=3.0|2.0],
+                 [which gtk+ version to compile against (default: 3.0)]),
   [case "$with_gtk" in
       2.0|3.0) ;;
       *) AC_MSG_ERROR([invalid gtk+ version specified]);;
   esac],
-  [with_gtk=2.0])
+  [with_gtk=3.0])
 AC_MSG_RESULT([$with_gtk])
 
 case "$with_gtk" in