[mutter/wayland] Fix build

[Adel Gadllah <agadllah src gnome org>]

commit ddaae9c923849bab80dc19e3bc01d04cd810a67e
Author: Adel Gadllah <adel gadllah gmail com>
Date:   Sun Feb 9 16:39:04 2014 +0100

    Fix build
    
    I broke it while cherry picking the last commit.

 src/core/main.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/core/main.c b/src/core/main.c
index d474ef2..4a1f5e0 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -389,7 +389,8 @@ meta_init (void)
 {
   struct sigaction act;
   sigset_t empty_mask;
-  
+  ClutterSettings *clutter_settings;
+
   sigemptyset (&empty_mask);
   act.sa_handler = SIG_IGN;
   act.sa_mask    = empty_mask;