[gimp] plug-ins: undeprecate align-layers: no need to use gimp_drawable_get()

[Michael Natterer <mitch src gnome org>]

commit 654af22c0f7e5421e6f00b7e6b0e7ec1737d2339
Author: Michael Natterer <mitch gimp org>
Date:   Sat Sep 15 21:54:42 2012 +0200

    plug-ins: undeprecate align-layers: no need to use gimp_drawable_get()

 plug-ins/common/align-layers.c |   13 ++++++-------
 1 files changed, 6 insertions(+), 7 deletions(-)
---
diff --git a/plug-ins/common/align-layers.c b/plug-ins/common/align-layers.c
index 1e2ecf6..f82ad2c 100644
--- a/plug-ins/common/align-layers.c
+++ b/plug-ins/common/align-layers.c
@@ -348,7 +348,8 @@ align_layers_get_align_offsets (gint32  drawable_id,
                                 gint   *x,
                                 gint   *y)
 {
-  GimpDrawable *layer = gimp_drawable_get (drawable_id);
+  gint width  = gimp_drawable_width  (drawable_id);
+  gint height = gimp_drawable_height (drawable_id);
 
   switch (VALS.h_base)
     {
@@ -356,10 +357,10 @@ align_layers_get_align_offsets (gint32  drawable_id,
       *x = 0;
       break;
     case H_BASE_CENTER:
-      *x = layer->width / 2;
+      *x = width / 2;
       break;
     case H_BASE_RIGHT:
-      *x = layer->width;
+      *x = width;
       break;
     default:
       *x = 0;
@@ -372,17 +373,15 @@ align_layers_get_align_offsets (gint32  drawable_id,
       *y = 0;
       break;
     case V_BASE_CENTER:
-      *y = layer->height / 2;
+      *y = height / 2;
       break;
     case V_BASE_BOTTOM:
-      *y = layer->height;
+      *y = height;
       break;
     default:
       *y = 0;
       break;
     }
-
-  gimp_drawable_detach (layer);
 }
 
 static int