[mutter] xprops: Use g_new0 instead of malloc in size_hints_from_results()

[Jonas Ådahl <jadahl src gnome org>]

commit 8e510a07c42e28dd200aa54332f37263ac59873f
Author: Hans de Goede <hdegoede redhat com>
Date:   Mon Sep 9 15:40:12 2019 +0200

    xprops: Use g_new0 instead of malloc in size_hints_from_results()
    
    Switch the memory allocation in size_hints_from_results from a malloc call
    without error-checking to g_new0 and adjust the free path accordingly.
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/786

 src/x11/xprops.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/x11/xprops.c b/src/x11/xprops.c
index 34de50263..cbf5a0604 100644
--- a/src/x11/xprops.c
+++ b/src/x11/xprops.c
@@ -772,7 +772,7 @@ size_hints_from_results (GetPropertyResults *results,
 
   raw = (xPropSizeHints*) results->prop;
 
-  hints = malloc (sizeof (XSizeHints));
+  hints = g_new0 (XSizeHints, 1);
 
   hints->flags = raw->flags;
   hints->x = raw->x;
@@ -1078,7 +1078,7 @@ free_value (MetaPropValue *value)
       g_free (value->v.class_hint.res_name);
       break;
     case META_PROP_VALUE_SIZE_HINTS:
-      free (value->v.size_hints.hints);
+      g_free (value->v.size_hints.hints);
       break;
     case META_PROP_VALUE_UTF8_LIST:
       g_strfreev (value->v.string_list.strings);