add missing dependency

package/usbutils/Makefile

@@ -9,7 +9,7 @@ PKG_RELEASE:=		1
 PKG_HASH:=		44741af0bae9d402a0ef160a29b2fa700bb656ab5e0a4b3343d51249c2a44c8c
 PKG_DESCR:=		program to list usb devices
 PKG_SECTION:=		sys/hw
-PKG_DEPENDS:=		libusb libusb-compat libpthread zlib librt usbids
+PKG_DEPENDS:=		libusb libusb-compat libpthread zlib librt usbids libudev
 PKG_BUILDDEP:=		libusb libusb-compat zlib eudev
 PKG_SITES:=		http://www.kernel.org/pub/linux/utils/usb/usbutils/
 PKG_BB:=		1