[mutter] *BSD build fix: Include sys/wait.h as described in POSIX specs

[Jasper Lievisse Adriaanse <jasperla src gnome org>]

commit e4ae7d7b1bbf1cd39b73b97db2391cf3c09a11fd
Author: Jasper Lievisse Adriaanse <jasper humppa nl>
Date:   Sun Jul 8 17:47:24 2012 +0200

    *BSD build fix: Include sys/wait.h as described in POSIX specs

 src/core/main.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/core/main.c b/src/core/main.c
index dc49070..00f36ed 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -60,7 +60,7 @@
 
 #include <stdlib.h>
 #include <sys/types.h>
-#include <wait.h>
+#include <sys/wait.h>
 #include <stdio.h>
 #include <string.h>
 #include <signal.h>