[gnome-builder] GbEditorFrame: preserve and select previous search text upon find action

[Christian Hergert <chergert src gnome org>]

commit dfbf886f29a23da2a6ac89a88d37bdca8ead2689
Author: Christian Hergert <christian hergert me>
Date:   Sun Dec 28 03:17:46 2014 -0800

    GbEditorFrame: preserve and select previous search text upon find action
    
    This will keep the previous search text, but select all of it.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=742045

 src/editor/gb-editor-frame.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)
---
diff --git a/src/editor/gb-editor-frame.c b/src/editor/gb-editor-frame.c
index 7c1d0bc..88ed39e 100644
--- a/src/editor/gb-editor-frame.c
+++ b/src/editor/gb-editor-frame.c
@@ -811,9 +811,6 @@ gb_editor_frame_find (GbEditorFrame *self,
 {
   g_return_if_fail (GB_IS_EDITOR_FRAME (self));
 
-  if (!search_text)
-    search_text = "";
-
   gb_editor_frame_on_begin_search (self, GTK_DIR_DOWN, search_text,
                                    self->priv->source_view);
 }
@@ -827,7 +824,7 @@ gb_editor_frame_find_activate (GSimpleAction *action,
 
   g_return_if_fail (GB_IS_EDITOR_FRAME (self));
 
-  gb_editor_frame_find (self, "");
+  gb_editor_frame_find (self, NULL);
 }
 
 static gboolean