Comment 6 for bug 591508

It fails to build with the 1286 diff

  GEN awn-applet-cairo-menu.schemas
cairo-menu.c: In function 'cairo_menu_class_init':
cairo-menu.c:177:19: warning: unused variable 'widget_class'
cairo-main-icon.c: In function 'cairo_main_icon_constructed':
cairo-main-icon.c:138:15: warning: unused variable 'pbuf'
cairo-main-icon.c: In function '_deactivate_event':
cairo-main-icon.c:381:1: warning: no return statement in function returning non-void
cairo-menu-applet.c: In function 'cairo_menu_applet_constructed':
cairo-menu-applet.c:155:3: warning: "/*" within comment
cairo-menu-applet.c:159:22: error: 'LIBDIR' undeclared (first use in this function)
cairo-menu-applet.c:159:22: note: each undeclared identifier is reported only once for each function it appears in
cairo-menu-applet.c:159:28: error: expected ',' or ';' before string constant
cairo-menu-applet.c:158:12: warning: unused variable 'error'
cairo-menu-applet.c:157:11: warning: unused variable 'iter'
cairo-menu-applet.c: In function 'cairo_menu_applet_get_cmd':
cairo-menu-applet.c:312:28: warning: unused variable 'priv'
cairo-menu-applet.c: In function 'cairo_menu_applet_append_hidden_menu':
cairo-menu-applet.c:377:28: warning: unused variable 'priv'
cairo-menu-applet.c: In function 'cairo_menu_applet_check_hidden_menu':
cairo-menu-applet.c:394:28: warning: unused variable 'priv'
cairo-menu-applet.c: In function 'cairo_menu_applet_remove_hidden_menu':
cairo-menu-applet.c:433:22: warning: unused variable 's'
cairo-menu-applet.c:422:28: warning: unused variable 'priv'
cairo-menu-applet.c: In function 'cairo_menu_applet_remove_icon':
cairo-menu-applet.c:475:22: warning: unused variable 's'
cairo-menu-applet.c:454:11: warning: unused variable 'iter'
cairo-menu-applet.c:451:11: warning: unused variable 's'
cairo-menu-applet.c: In function 'cairo_menu_applet_add_icon':
cairo-menu-applet.c:504:11: warning: unused variable 'iter'
misc.c: In function '_get_recent_menu':