[gnome-builder] auto-indent: fix indent when curly is not first char.

[Christian Hergert <chergert src gnome org>]

commit ad2a11f21306848771061e5b9038c0bbcdab7080
Author: Christian Hergert <christian hergert me>
Date:   Fri Sep 26 02:03:16 2014 -0700

    auto-indent: fix indent when curly is not first char.
    
    Fixes things like:
    
    enum { and typedef struct {

 src/editor/gb-source-auto-indenter-c.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/editor/gb-source-auto-indenter-c.c b/src/editor/gb-source-auto-indenter-c.c
index 9a76a5e..dabb987 100644
--- a/src/editor/gb-source-auto-indenter-c.c
+++ b/src/editor/gb-source-auto-indenter-c.c
@@ -1127,6 +1127,7 @@ gb_source_auto_indenter_c_format (GbSourceAutoIndenter *indenter,
         gtk_text_iter_assign (&iter, begin);
         gtk_text_iter_backward_char (&iter);
         gtk_text_iter_backward_char (&iter);
+        backward_to_line_first_char (&iter);
         offset = gtk_text_iter_get_line_offset (&iter);
         build_indent (c, offset, &iter, str);
         g_string_prepend (str, "\n");