[mutter] xprops: Free atom_list_from_results() return value with g_free()

[Jonas Ådahl <jadahl src gnome org>]

commit 2c1553570f3ee4e93481d27b5e92365b165290d5
Author: Hans de Goede <hdegoede redhat com>
Date:   Mon Sep 9 16:41:10 2019 +0200

    xprops: Free atom_list_from_results() return value with g_free()
    
    atom_list_from_results directly passes through the results->prop
    pointer which is g_malloc memory, so we should free the buffer it
    returns with g_free.
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/786

 src/x11/xprops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/x11/xprops.c b/src/x11/xprops.c
index a26231537..c0d0d271a 100644
--- a/src/x11/xprops.c
+++ b/src/x11/xprops.c
@@ -1092,7 +1092,7 @@ free_value (MetaPropValue *value)
     case META_PROP_VALUE_WINDOW:
       break;
     case META_PROP_VALUE_ATOM_LIST:
-      free (value->v.atom_list.atoms);
+      g_free (value->v.atom_list.atoms);
       break;
     case META_PROP_VALUE_TEXT_PROPERTY:
       free (value->v.str);