[gnome-desktop: 3/6] Don't leak info in {output, crtc, mode}_initialize

[Jonas Ådahl <jadahl src gnome org>]

commit c7c6f7369fb32c1892ee4f3f93e0d32678218406
Author: Sam Morris <sam robots org uk>
Date:   Mon Jul 16 11:41:46 2018 +0100

    Don't leak info in {output,crtc,mode}_initialize
    
    https://gitlab.gnome.org/GNOME/gnome-desktop/issues/6

 libgnome-desktop/gnome-rr.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/libgnome-desktop/gnome-rr.c b/libgnome-desktop/gnome-rr.c
index 974d79e1..01afebab 100644
--- a/libgnome-desktop/gnome-rr.c
+++ b/libgnome-desktop/gnome-rr.c
@@ -1340,6 +1340,7 @@ output_initialize (GnomeRROutput *output, GVariant *info)
                   &current_crtc_id, &crtcs,
                   &output->name,
                   &modes, &clones, &properties);
+    g_variant_unref (info);
 
     /* Possible crtcs */
     a = g_ptr_array_new ();
@@ -1990,6 +1991,7 @@ crtc_initialize (GnomeRRCrtc *crtc, GVariant *info)
                   &current_mode_id,
                   &crtc->transform, &all_transforms,
                   NULL);
+    g_variant_unref (info);
 
     if (current_mode_id >= 0)
       crtc->current_mode = mode_by_id (crtc->info, current_mode_id);
@@ -2084,6 +2086,7 @@ mode_initialize (GnomeRRMode *mode, GVariant *info)
                   &mode->id, &mode->winsys_id,
                   &mode->width, &mode->height,
                   &frequency, &mode->flags);
+    g_variant_unref (info);
     
     mode->freq = frequency * 1000;
 }