fix a typo

SVN-Revision: 6158

target/imagebuilder/files/Makefile

@@ -88,7 +88,7 @@ $(TOPDIR)/tmp/ipkg.conf: FORCE
 BUILD_PACKAGES:=$(sort $(DEFAULT_PACKAGES) $(PACKAGES) $($(PROFILE)_PACKAGES) kernel)
 BUILD_PACKAGES:=$(patsubst base-files,base-files-$(BOARD)-$(KERNEL),$(BUILD_PACKAGES))
 # "-pkgname" in the package list means remove "pkgname" from the package list
-BUILD_PACKAGES:=$(filter-out $(filter -%,$(BUILD_PACKAGES)) $(patsubst -%,%,$(filter -%,$(BUILD_PACKAGES))),$(BUILD_PACKAGES)
+BUILD_PACKAGES:=$(filter-out $(filter -%,$(BUILD_PACKAGES)) $(patsubst -%,%,$(filter -%,$(BUILD_PACKAGES))),$(BUILD_PACKAGES))
 
 image:
 	if [ -z "$($(PROFILE)_NAME)" ]; then \