Fixed merge_face_ref recursive calls.

* src/xfaces.c (merge_face_ref) : Fixed recursive calls to consider
filter when CONSP (face_ref).

src/xdisp.c

@@ -20473,7 +20473,6 @@ append_space_for_newline (struct it *it, bool default_face_p)
 static void
 extend_face_to_end_of_line (struct it *it)
 {
-  struct face *face;
   struct frame *f = it->f;
 
   /* If line is already filled, do nothing.  Non window-system frames
@@ -20498,9 +20497,9 @@ extend_face_to_end_of_line (struct it *it)
   /* Face extension extends the background and box of IT->extend_face_id
      to the end of the line.  If the background equals the background
      of the frame, we don't have to do anything.  */
-  face = FACE_FROM_ID (f, (it->face_before_selective_p
-                           ? it->saved_face_id
-                           : extend_face_id));
+  struct face *face = FACE_FROM_ID (f, (it->face_before_selective_p
+                                        ? it->saved_face_id
+                                        : extend_face_id));
 
   if (FRAME_WINDOW_P (f)
       && MATRIX_ROW_DISPLAYS_TEXT_P (it->glyph_row)

src/xfaces.c

@@ -2529,7 +2529,7 @@ merge_face_ref (struct window *w,
 		     normal face reference.  */
 		  if (! merge_face_ref (w, f, value, to,
 		                        err_msgs, named_merge_points,
-		                        0))
+		                        attr_filter))
 		    err = true;
 		}
 	      else if (EQ (keyword, QCextend))
@@ -2560,10 +2560,10 @@ merge_face_ref (struct window *w,
 
 	  if (! NILP (next))
 	    ok = merge_face_ref (w, f, next, to, err_msgs,
-	                         named_merge_points, 0);
+	                         named_merge_points, attr_filter);
 
 	  if (! merge_face_ref (w, f, first, to, err_msgs,
-	                        named_merge_points, 0))
+	                        named_merge_points, attr_filter))
 	    ok = false;
 	}
     }