[gnome-control-center] keyboard: Allocate required space for replacing a key shortcut

[Bastien Nocera <hadess src gnome org>]

commit 30c073ffee724526b563d0d7925dc5b668c432a3
Author: Tomas Bzatek <tbzatek redhat com>
Date:   Thu Feb 16 18:33:01 2012 +0100

    keyboard: Allocate required space for replacing a key shortcut
    
    https://bugzilla.gnome.org/show_bug.cgi?id=670236

 panels/keyboard/cc-keyboard-item.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/panels/keyboard/cc-keyboard-item.c b/panels/keyboard/cc-keyboard-item.c
index 82fab15..56eb4af 100644
--- a/panels/keyboard/cc-keyboard-item.c
+++ b/panels/keyboard/cc-keyboard-item.c
@@ -119,6 +119,13 @@ settings_set_binding (GSettings  *settings,
 
       str_array = g_variant_dup_strv (variant, NULL);
 
+      /* create a space for the new binding if empty */
+      if (*str_array == NULL)
+        {
+          g_free (str_array);
+          str_array = g_new0 (char *, 2);
+        }
+
       /* replace the first binding */
       g_free (*str_array);
       *str_array = g_strdup (value);