[gnome-builder] editor: don't load file-marks if we don't have a GFile

[Christian Hergert <chergert src gnome org>]

commit dcbbe8d7ab81d9aa7bd3434c2f31c2c220dd2d51
Author: Christian Hergert <christian hergert me>
Date:   Sun Oct 12 17:52:21 2014 -0400

    editor: don't load file-marks if we don't have a GFile
    
    Fixes some warnings on opening a new tab.

 src/editor/gb-editor-tab.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/editor/gb-editor-tab.c b/src/editor/gb-editor-tab.c
index 6dc2872..91f1794 100644
--- a/src/editor/gb-editor-tab.c
+++ b/src/editor/gb-editor-tab.c
@@ -1338,6 +1338,9 @@ gb_editor_tab_load_file_mark (GbEditorTab *tab)
     }
 
   file = gtk_source_file_get_location (tab->priv->file);
+  if (!file)
+    return;
+
   marks = gb_editor_file_marks_get_default ();
   mark = gb_editor_file_marks_get_for_file (marks, file);
 
@@ -1367,6 +1370,8 @@ gb_editor_tab_save_file_mark (GbEditorTab *tab)
   gtk_text_buffer_get_iter_at_mark (buffer, &iter, insert);
 
   file = gtk_source_file_get_location (tab->priv->file);
+  if (!file)
+    return;
 
   marks = gb_editor_file_marks_get_default ();
   mark = gb_editor_file_marks_get_for_file (marks, file);