[gimp] app: use gimp_tool_control_push/pop_preserve() in GimpWarpTool

[Michael Natterer <mitch src gnome org>]

commit 964d59df58a2e34e4fdbbe40d9a4b65f74093a71
Author: Michael Natterer <mitch gimp org>
Date:   Fri Jun 7 10:03:23 2013 +0200

    app: use gimp_tool_control_push/pop_preserve() in GimpWarpTool
    
    instead of set_preserve(TRUE/FALSE). It makes no difference in this
    case, but push/pop is the right API to use anyway.

 app/tools/gimpwarptool.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/tools/gimpwarptool.c b/app/tools/gimpwarptool.c
index 4d14446..e19fd4c 100644
--- a/app/tools/gimpwarptool.c
+++ b/app/tools/gimpwarptool.c
@@ -325,13 +325,13 @@ gimp_warp_tool_key_press (GimpTool    *tool,
     case GDK_KEY_ISO_Enter:
       if (wt->image_map)
         {
-          gimp_tool_control_set_preserve (tool->control, TRUE);
+          gimp_tool_control_push_preserve (tool->control, TRUE);
 
           gimp_image_map_commit (wt->image_map, GIMP_PROGRESS (tool));
           g_object_unref (wt->image_map);
           wt->image_map = NULL;
 
-          gimp_tool_control_set_preserve (tool->control, FALSE);
+          gimp_tool_control_pop_preserve (tool->control);
 
           gimp_image_flush (gimp_display_get_image (display));
         }