libgtk2: fix host build after 7a41cbf938d (fix patching procedure for host packages)

NOHOSTPKG is no more, use RAWNAME instead.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/libgtk2/libgtk2.mk

@@ -139,7 +139,7 @@ HOST_LIBGTK2_CONF_OPT = \
 		--disable-debug
 
 define HOST_LIBGTK2_PATCH_REDUCE_DEPENDENCIES_HOOK
- toolchain/patch-kernel.sh $(@D) $($(PKG)_DIR_PREFIX)/$($(NOHOSTPKG)_NAME) host-*.patch
+ toolchain/patch-kernel.sh $(@D) $($(PKG)_DIR_PREFIX)/$(RAWNAME) host-*.patch
 endef
 
 HOST_LIBGTK2_POST_PATCH_HOOKS += HOST_LIBGTK2_PATCH_REDUCE_DEPENDENCIES_HOOK