[gnome-builder] snippets: but don't break non-prefixed lines.

[Christian Hergert <chergert src gnome org>]

commit bb27866ed1a0dcbfa6e79ab72830dc82005b1399
Author: Christian Hergert <christian hergert me>
Date:   Sun Sep 7 19:37:07 2014 -0700

    snippets: but don't break non-prefixed lines.

 src/editor/gb-source-view.c |   33 ++++++++++++++++++---------------
 1 files changed, 18 insertions(+), 15 deletions(-)
---
diff --git a/src/editor/gb-source-view.c b/src/editor/gb-source-view.c
index f16fe8a..b263d10 100644
--- a/src/editor/gb-source-view.c
+++ b/src/editor/gb-source-view.c
@@ -371,25 +371,28 @@ gb_source_view_get_line_prefix (GbSourceView      *view,
 
   str = g_string_new (NULL);
 
-  do
+  if (gtk_text_iter_compare (&begin, iter) != 0)
     {
-      gunichar c;
+      do
+        {
+          gunichar c;
 
-      c = gtk_text_iter_get_char (&begin);
+          c = gtk_text_iter_get_char (&begin);
 
-      switch (c)
-        {
-        case '\t':
-        case ' ':
-          g_string_append_unichar (str, c);
-          break;
-        default:
-          g_string_append_c (str, ' ');
-          break;
+          switch (c)
+            {
+            case '\t':
+            case ' ':
+              g_string_append_unichar (str, c);
+              break;
+            default:
+              g_string_append_c (str, ' ');
+              break;
+            }
         }
+      while (gtk_text_iter_forward_char (&begin) &&
+             (gtk_text_iter_compare (&begin, iter) < 0));
     }
-  while (gtk_text_iter_forward_char (&begin) &&
-         (gtk_text_iter_compare (&begin, iter) < 0));
 
   return g_string_free (str, FALSE);
 }