* keyboard.c: Don't use PROP (...) as an lvalue.

(parse_tool_bar_item) [!USE_GTK && !HAVE_NS]:
Use set_prop (A, B), not PROP (A) = B.

src/ChangeLog

+2013-06-11  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* keyboard.c: Don't use PROP (...) as an lvalue.
+	(parse_tool_bar_item) [!USE_GTK && !HAVE_NS]:
+	Use set_prop (A, B), not PROP (A) = B.
+
 2013-06-10  Eli Zaretskii  <eliz@gnu.org>
 
 	* xdisp.c (get_it_property): Use it->window instead of generating

src/keyboard.c

@@ -8150,11 +8150,12 @@ parse_tool_bar_item (Lisp_Object key, Lisp_Object item)
 #if !defined (USE_GTK) && !defined (HAVE_NS)
 	  /* If we use build_desired_tool_bar_string to render the
 	     tool bar, the separator is rendered as an image.  */
-	  PROP (TOOL_BAR_ITEM_IMAGES)
-	    = menu_item_eval_property (Vtool_bar_separator_image_expression);
-	  PROP (TOOL_BAR_ITEM_ENABLED_P) = Qnil;
-	  PROP (TOOL_BAR_ITEM_SELECTED_P) = Qnil;
-	  PROP (TOOL_BAR_ITEM_CAPTION) = Qnil;
+	  set_prop (TOOL_BAR_ITEM_IMAGES,
+		    (menu_item_eval_property
+		     (Vtool_bar_separator_image_expression)));
+	  set_prop (TOOL_BAR_ITEM_ENABLED_P, Qnil);
+	  set_prop (TOOL_BAR_ITEM_SELECTED_P, Qnil);
+	  set_prop (TOOL_BAR_ITEM_CAPTION, Qnil);
 #endif
 	  return 1;
 	}