[mousetweaks] Do a NULL check before referencing a cursor

[Gerd Kohlberger <gerdk src gnome org>]

commit bafe186d4e58830bb0c5eccf5560922686bf66d3
Author: Gerd Kohlberger <gerdk src gnome org>
Date:   Sat Feb 5 22:53:20 2011 +0100

    Do a NULL check before referencing a cursor

 src/mt-cursor-manager.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/mt-cursor-manager.c b/src/mt-cursor-manager.c
index ad97350..3d6d8f2 100644
--- a/src/mt-cursor-manager.c
+++ b/src/mt-cursor-manager.c
@@ -279,7 +279,10 @@ mt_cursor_manager_get_current_cursor (MtCursorManager *manager)
 {
     g_return_val_if_fail (MT_IS_CURSOR_MANAGER (manager), NULL);
 
-    return g_object_ref (manager->priv->current);
+    if (manager->priv->current)
+        return g_object_ref (manager->priv->current);
+
+    return NULL;
 }
 
 MtCursor *