add missing dependencies

package/xkbcomp/Makefile

@@ -5,10 +5,12 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=		xkbcomp
 PKG_VERSION:=		1.0.5
-PKG_RELEASE:=		1
+PKG_RELEASE:=		2
 PKG_MD5SUM:=		10e6661a35aa994a9aa73ded0cf70259
 PKG_DESCR:=		x11 keyboard compiler
 PKG_SECTION:=		x11/libs
+PKG_BUILDDEP:=		libxkbfile libX11
+PKG_DEPENDS:=		libxkbfile libx11
 PKG_SITES:=		http://xorg.freedesktop.org/releases/X11R7.4/src/everything/
 
 include $(TOPDIR)/mk/package.mk