[gnome-commander/gcmd-1-12] Allocate and initialize gVariantBuilder using g_variant_builder_new, fixing #111

[Uwe Scholz <uwescholz src gnome org>]

commit 6c5c0363c0bb21bc4de6c0f50cdc862c6f44d360
Author: Uwe Scholz <u scholz83 gmx de>
Date:   Sun Jun 6 16:28:21 2021 +0200

    Allocate and initialize gVariantBuilder using g_variant_builder_new, fixing #111
    
    Cherry-picked from master branch from commit 8bf6c44a.

 src/gnome-cmd-data.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/src/gnome-cmd-data.cc b/src/gnome-cmd-data.cc
index 51407ccc..2d9c5754 100644
--- a/src/gnome-cmd-data.cc
+++ b/src/gnome-cmd-data.cc
@@ -1731,7 +1731,7 @@ void GnomeCmdData::save_devices()
             {
                 if (!gVariantBuilder)
                 {
-                    g_variant_builder_init (gVariantBuilder, G_VARIANT_TYPE_ARRAY);
+                    gVariantBuilder = g_variant_builder_new (G_VARIANT_TYPE_ARRAY);
                 }
 
                 gchar *icon_path = g_strdup (gnome_cmd_con_device_get_icon_path (device));
@@ -1751,6 +1751,7 @@ void GnomeCmdData::save_devices()
         {
             devicesToStore = g_variant_builder_end (gVariantBuilder);
             g_settings_set_value(options.gcmd_settings->general, GCMD_SETTINGS_DEVICES, devicesToStore);
+            g_variant_builder_unref(gVariantBuilder);
             return;
         }
     }