[gnome-builder] auto-indent: only enable auto-indent for C and Headers.

[Christian Hergert <chergert src gnome org>]

commit e1666c1fef705ea5c7a1e1cb1145b1f74bcce875
Author: Christian Hergert <christian hergert me>
Date:   Thu Sep 25 13:27:36 2014 -0700

    auto-indent: only enable auto-indent for C and Headers.
    
    We will probably expand this a bit later, as we add more features to the
    indenter parser.

 src/editor/gb-editor-tab.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/editor/gb-editor-tab.c b/src/editor/gb-editor-tab.c
index c3ceeb0..8fae8fc 100644
--- a/src/editor/gb-editor-tab.c
+++ b/src/editor/gb-editor-tab.c
@@ -392,7 +392,8 @@ gb_editor_tab_language_changed (GbEditorTab      *tab,
     {
       const gchar *lang_id = gtk_source_language_get_id (language);
 
-      if (lang_id)
+      if ((g_strcmp0 (lang_id, "c") == 0) ||
+          (g_strcmp0 (lang_id, "chdr") == 0))
         indenter = gb_source_auto_indenter_c_new ();
     }