more pickyness

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@36463 65c4cc65-6c06-0410-ace0-fbb531ad65f3

Makefile

@@ -400,7 +400,7 @@ makeopts: configure
 	@exit 1
 
 menuselect.makeopts menuselect.makedeps: menuselect/menuselect makeopts.xml
-	menuselect/menuselect --check-deps ${GLOBAL_MAKEOPTS} ${USER_MAKEOPTS} menuselect.makeopts
+	menuselect/menuselect --check-deps $(GLOBAL_MAKEOPTS) $(USER_MAKEOPTS) menuselect.makeopts
 
 #ifneq ($(wildcard tags),)
 ctags: tags