[mutter] native: Don't leak DRM plane resources

[Rui Matos <rtcm src gnome org>]

commit 9385c835b825efac8bdbf71bd07bff12b16fb5c7
Author: Rui Matos <tiagomatos gmail com>
Date:   Thu Jan 7 19:35:12 2016 +0100

    native: Don't leak DRM plane resources

 src/backends/native/meta-monitor-manager-kms.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/backends/native/meta-monitor-manager-kms.c b/src/backends/native/meta-monitor-manager-kms.c
index f708f0d..e1a6f5f 100644
--- a/src/backends/native/meta-monitor-manager-kms.c
+++ b/src/backends/native/meta-monitor-manager-kms.c
@@ -561,6 +561,8 @@ init_crtc_rotations (MetaMonitorManager *manager,
 
       drmModeFreePlane (drm_plane);
     }
+
+  drmModeFreePlaneResources (planes);
 }
 
 static void