remove some unneeded variables now that the menuselect build is isolated from

the parent project


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@41165 65c4cc65-6c06-0410-ace0-fbb531ad65f3

Makefile

@@ -647,7 +647,7 @@ menuselect: menuselect/menuselect menuselect-tree
 	-@menuselect/menuselect $(GLOBAL_MAKEOPTS) $(USER_MAKEOPTS) menuselect.makeopts && echo "menuselect changes saved!" || echo "menuselect changes NOT saved!"
 
 menuselect/menuselect: makeopts menuselect/menuselect.c menuselect/menuselect_curses.c menuselect/menuselect_stub.c menuselect/menuselect.h menuselect/linkedlists.h makeopts
-	@PARENTSRC="$(ASTTOPDIR)" $(MAKE) -C menuselect CC="$(HOST_CC)"
+	@$(MAKE) -C menuselect
 
 menuselect-tree: $(foreach dir,$(filter-out main,$(MOD_SUBDIRS)),$(wildcard $(dir)/*.c) $(wildcard $(dir)/*.cc)) build_tools/cflags.xml sounds/sounds.xml build_tools/embed_modules.xml
 	@echo "Generating input for menuselect ..."