apply fix from Chong Yidong to NS port ns_set_background_color(), and clean up comparison use of result from NS_FACE_BACKGROUND

1 files changed, 1 insertions, 1 deletions

diff --git a/src/nsfns.m b/src/nsfns.m
index 1752512d2dc..72ac1ece4b3 100644
--- a/src/nsfns.m
+++ b/src/nsfns.m
@@ -400,7 +400,7 @@ ns_set_background_color (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
       face = FRAME_DEFAULT_FACE (f);
       if (face)
         {
-          col = NS_FACE_BACKGROUND (face);
+          col = ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), f);
           face->background
              = (EMACS_UINT) [[col colorWithAlphaComponent: alpha] retain];
           [col release];