add missing expat dependency

package/mpd/Makefile

@@ -9,8 +9,8 @@ PKG_RELEASE:=		1
 PKG_HASH:=		7b6fe6c7ce72f5f80a276d680072b524ecb395e546e252b8f3a0756377e1e875
 PKG_DESCR:=		music player daemon
 PKG_SECTION:=		mm/audio
-PKG_DEPENDS:=		glib libmpdclient boost libncurses
-PKG_BUILDDEP:=		glib libmpdclient boost ncurses
+PKG_DEPENDS:=		glib libmpdclient boost libncurses libexpat
+PKG_BUILDDEP:=		glib libmpdclient boost ncurses expat
 PKG_FDEPENDS:=		glib libmpdclient
 PKG_NEEDS:=		threads rt c++
 PKG_URL:=		http://www.musicpd.org/