[gnome-desktop] gnome-languages: Check if language is !NULL in construct_language_name

[Rui Matos <rtcm src gnome org>]

commit 4d9a6ebda438bc556af98baa7014fb6067c34bb9
Author: Koop Mast <kwm rainbow-runner nl>
Date:   Fri Jan 8 01:46:37 2016 +0100

    gnome-languages: Check if language is !NULL in construct_language_name
    
    Language can't be NULL for this function since its purpose is to get
    us a normalized locale string and a locale string without language
    doesn't make sense.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=760304

 libgnome-desktop/gnome-languages.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgnome-desktop/gnome-languages.c b/libgnome-desktop/gnome-languages.c
index d2d88ea..5ee03f8 100644
--- a/libgnome-desktop/gnome-languages.c
+++ b/libgnome-desktop/gnome-languages.c
@@ -229,7 +229,7 @@ construct_language_name (const char *language,
 {
         char *name;
 
-        g_assert (language[0] != 0);
+        g_assert (language != NULL && language[0] != 0);
         g_assert (territory == NULL || territory[0] != 0);
         g_assert (codeset == NULL || codeset[0] != 0);
         g_assert (modifier == NULL || modifier[0] != 0);