[gtksourceview/wip/fix-warnings] PixbufHelper: fix warning

[Sébastien Wilmet <swilmet src gnome org>]

commit be43275b9f469851e7416ffd37cb189478c1d125
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Aug 9 16:56:15 2015 +0200

    PixbufHelper: fix warning

 gtksourceview/gtksourcepixbufhelper.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtksourceview/gtksourcepixbufhelper.c b/gtksourceview/gtksourcepixbufhelper.c
index 6324f92..6a10b7f 100644
--- a/gtksourceview/gtksourcepixbufhelper.c
+++ b/gtksourceview/gtksourcepixbufhelper.c
@@ -335,6 +335,8 @@ gtk_source_pixbuf_helper_render (GtkSourcePixbufHelper *helper,
                case ICON_TYPE_NAME:
                        from_name (helper, widget, size);
                        break;
+               default:
+                       g_assert_not_reached ();
        }
 
        return helper->cached_pixbuf;