[gnome-flashback] monitor-manager-xrandr: fix memory leak

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 73ff0917ad7aa4cad2c8e014ec519564252f153e
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Mar 25 16:14:50 2018 +0300

    monitor-manager-xrandr: fix memory leak

 backends/gf-monitor-manager-xrandr.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/backends/gf-monitor-manager-xrandr.c b/backends/gf-monitor-manager-xrandr.c
index f0143ef..071c6f8 100644
--- a/backends/gf-monitor-manager-xrandr.c
+++ b/backends/gf-monitor-manager-xrandr.c
@@ -155,6 +155,7 @@ ensure_supported_monitor_scales (GfMonitorManager *manager)
         }
 
       g_array_sort (supported_scales, compare_scales);
+      g_free (monitor_scales);
     }
 
   xrandr->supported_scales = (gfloat *) supported_scales->data;