(x_set_frame_parameters): Revert change of 2001-11-07.

Some x_set_* function expect to be called even if old and new
value are equal.

src/ChangeLog

 2001-11-15  Gerd Moellmann  <gerd@gnu.org>
 
+	* xfns.c (x_set_frame_parameters): Revert change of 2001-11-07.
+	Some x_set_* function expect to be called even if old and new
+	value are equal.
+
+	* xdisp.c (build_desired_tool_bar_string): Accept zero
+	tool_bar_button_relief.
+
+	* xfns.c (Fx_create_frame): Accept zero tool_bar_button_relief.
+
+	* xterm.c (x_draw_image_relief): Accept zero tool_bar_button_relief.
+	
 	* xterm.c (x_draw_bar_cursor): If the background color of the
 	glyph under the cursor equals the frame's cursor color, use
 	the glyph's foreground color for drawing the bar cursor.

src/xfns.c

@@ -950,16 +950,13 @@ x_set_frame_parameters (f, alist)
 
 	  old_value = get_frame_param (f, prop);
 
-	  //if (NILP (Fequal (val, old_value)))
-	    {
-	      store_frame_param (f, prop, val);
+	  store_frame_param (f, prop, val);
 
-	      param_index = Fget (prop, Qx_frame_parameter);
-	      if (NATNUMP (param_index)
-		  && (XFASTINT (param_index)
-		      < sizeof (x_frame_parms)/sizeof (x_frame_parms[0])))
-		(*x_frame_parms[XINT (param_index)].setter)(f, val, old_value);
-	    }
+	  param_index = Fget (prop, Qx_frame_parameter);
+	  if (NATNUMP (param_index)
+	      && (XFASTINT (param_index)
+		  < sizeof (x_frame_parms)/sizeof (x_frame_parms[0])))
+	    (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value);
 	}
     }