Fix menu bar problem in ms-windows theme engine on Windows 7

Patch from bug #591186. It won't have any effect in this branch as the
whole XP-and-later theming code is broken and disabled, but when/if
that is fixed, then this patch should help.

modules/engines/ms-windows/msw_style.c

@@ -698,8 +698,8 @@ setup_msw_rc_style (void)
   GdkColor text_prelight;
 
   /* Prelight */
-  sys_color_to_gtk_color (XP_THEME_CLASS_TEXT,
-			  get_windows_version () == VISTA_VERSION ? COLOR_MENUTEXT : COLOR_HIGHLIGHTTEXT,
+  sys_color_to_gtk_color (get_windows_version () >= VISTA_VERSION ? XP_THEME_CLASS_MENU : XP_THEME_CLASS_TEXT,
+			  get_windows_version () >= VISTA_VERSION ? COLOR_MENUTEXT : COLOR_HIGHLIGHTTEXT,
 			  &fg_prelight);
   sys_color_to_gtk_color (XP_THEME_CLASS_TEXT, COLOR_HIGHLIGHT, &bg_prelight);
   sys_color_to_gtk_color (XP_THEME_CLASS_TEXT, COLOR_HIGHLIGHT,