[mutter/wip/mutkupavels/fix-memory-leak-in-output-xrandr] output-xrandr: fix memory leak

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 231e60eee2699b62e3ee2ee82d651a9e7d4ebe69
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Aug 21 17:33:16 2022 +0300

    output-xrandr: fix memory leak
    
    Introduced in 99d84ae1cc8f027a35c32d266cef48758daaff6d.

 src/backends/x11/meta-output-xrandr.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/backends/x11/meta-output-xrandr.c b/src/backends/x11/meta-output-xrandr.c
index 37a377e48c..2970e14467 100644
--- a/src/backends/x11/meta-output-xrandr.c
+++ b/src/backends/x11/meta-output-xrandr.c
@@ -470,6 +470,8 @@ output_get_max_bpc_range_xrandr (Display      *xdisplay,
   if (max)
     *max = values[1];
 
+  XFree (property_info);
+
   return TRUE;
 }