Fix build by not outputting to obj directory.

Index: mdnsctl/Makefile
--- mdnsctl/Makefile.orig
+++ mdnsctl/Makefile
@@ -12,11 +12,7 @@ CFLAGS+= -Wshadow -Wpointer-arith -Wcast-qual
 CFLAGS+= -Wsign-compare
 CFLAGS+= -I${.CURDIR} -I${.CURDIR}/../mdnsd
 
-.if exists(${.CURDIR}/../libmdns/${__objdir})
-LDADD+= -L${.CURDIR}/../libmdns/${__objdir} -lmdns
-.else
 LDADD+= -L${.CURDIR}/../libmdns -lmdns
-.endif
 LDADD+= -lutil
 DPADD+=  ${LIBUTIL}
 
