packagekit: Fix after polkit was renamed

meta/packages/packagekit/packagekit_0.3.8.bb

@@ -4,7 +4,7 @@ PR = "r6"
 SRC_URI = "http://www.packagekit.org/releases/PackageKit-0.3.8.tar.gz \
            file://no_validate.patch;patch=1 "
 
-DEPENDS = "python polkit pam"
+DEPENDS = "python policykit pam"
 EXTRA_OECONF = "--disable-qt --disable-tests --enable-yum  --with-default-backend=yum --disable-local --with-security-framework=polkit --disable-gstreamer-plugin"
 
 S = "${WORKDIR}/PackageKit-${PV}"