xcb-util-image: add license file

Signed-off-by: Danomi Manchego <danomimanchego123@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/x11r7/xcb-util-image/xcb-util-image.hash

@@ -1,2 +1,4 @@
 # From http://lists.x.org/archives/xorg-announce/2014-October/002489.html
 sha256	2db96a37d78831d643538dd1b595d7d712e04bdccf8896a5e18ce0f398ea2ffc	xcb-util-image-0.4.0.tar.bz2
+# License file, locally calculated
+sha256	19672c6153d8c4870abe734fa4dd2197481a311f4788d02ad729be07e116b26b	COPYING

package/x11r7/xcb-util-image/xcb-util-image.mk

@@ -9,6 +9,7 @@ XCB_UTIL_IMAGE_SITE = http://xcb.freedesktop.org/dist
 XCB_UTIL_IMAGE_SOURCE = xcb-util-image-$(XCB_UTIL_IMAGE_VERSION).tar.bz2
 XCB_UTIL_IMAGE_INSTALL_STAGING = YES
 XCB_UTIL_IMAGE_LICENSE = MIT
+XCB_UTIL_IMAGE_LICENSE_FILES = COPYING
 XCB_UTIL_IMAGE_DEPENDENCIES = xcb-util
 
 $(eval $(autotools-package))