guilt: add LIC_FILES_CHKSUM

Signed-off-by: Saul Wold <sgw@linux.intel.com>

meta/recipes-devtools/guilt/guilt-native_0.33.bb

@@ -1,5 +1,7 @@
 DESCRIPTION = "guilt is quilt like tool for git"
-LICENSE = "GPL"
+LICENSE = "GPLv2"
+
+LIC_FILES_CHKSUM = "file://COPYING;md5=b6f3400dc1a01cebafe8a52b3f344135"
 
 PR = r0
 PV = "0.33"
@@ -27,4 +29,4 @@ do_compile() {
 
 do_install() {
 	oe_runmake PREFIX=${D}/${base_prefix}/usr install
-}
+}