[mutter] core: Fix meta_screen_get_current_monitor

[Marc-Antoine Perennou <marcop src gnome org>]

commit 277e8bdad9cd8e6b621814312f1f651eff993413
Author: Marc-Antoine Perennou <Marc-Antoine Perennou com>
Date:   Mon Jun 11 10:46:57 2012 +0200

    core: Fix meta_screen_get_current_monitor
    
    fixes 45952093463e5d354e4f0d7c4ded6ab0d601d959
    
    We're supposed to return an index from here now, no longer a pointer
    to the current monitor.
    
    Signed-off-by: Marc-Antoine Perennou <Marc-Antoine Perennou com>

 src/core/screen.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/core/screen.c b/src/core/screen.c
index ec61694..ea582b5 100644
--- a/src/core/screen.c
+++ b/src/core/screen.c
@@ -2140,7 +2140,7 @@ int
 meta_screen_get_current_monitor (MetaScreen *screen)
 {
   if (screen->n_monitor_infos == 1)
-    return &screen->monitor_infos[0];
+    return 0;
   
   /* Sadly, we have to do it this way. Yuck.
    */