ima-policy-simple: UNPACKDIR fix

New poky uses UNPACKDIR instead of WORKDIR

Signed-off-by: Mikko Rapeli <mikko.rapeli@linaro.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-integrity/recipes-security/ima_policy_simple/ima-policy-simple_1.0.bb

@@ -9,7 +9,7 @@ REQUIRED_DISTRO_FEATURES = "ima"
 
 do_install () {
     install -d ${D}/${sysconfdir}/ima
-    install ${WORKDIR}/ima_policy_simple ${D}/${sysconfdir}/ima/ima-policy
+    install ${UNPACKDIR}/ima_policy_simple ${D}/${sysconfdir}/ima/ima-policy
 }
 
 FILES:${PN} = "${sysconfdir}/ima"