lockfile-progs: fix patch-kernel invocation

Patch by Roberto A. Foglietta.

Closes #6364

package/lockfile-progs/lockfile-progs.mk

@@ -17,7 +17,7 @@ lockfile-progs-source: $(DL_DIR)/$(LOCKFILE_PROGS_SOURCE)
 
 $(LOCKFILE_PROGS_DIR)/.unpacked: $(DL_DIR)/$(LOCKFILE_PROGS_SOURCE)
 	$(LOCKFILE_PROGS_CAT) $(DL_DIR)/$(LOCKFILE_PROGS_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
-	toolchain/patch-kernel.sh $(LOCKFILE_PROGS_DIR) package/lockfile-progs/ *.patch
+	toolchain/patch-kernel.sh $(LOCKFILE_PROGS_DIR) package/lockfile-progs/ \*.patch
 	touch $(LOCKFILE_PROGS_DIR)/.unpacked
 
 $(TARGET_DIR)/$(LOCKFILE_PROGS_BINARY): $(LOCKFILE_PROGS_DIR)/.unpacked