13352 disable mdns date and time in version string

Reviewed by: Sebastian Wiedenroth <sebastian.wiedenroth@skylime.net>
Reviewed by: Andy Fiddaman <andy@omnios.org>
Reviewed by: Paul Winder <paul@winder.uk.net>
Approved by: Dan McDonald <danmcd@joyent.com>

usr/src/cmd/cmd-inet/usr.bin/dns-sd/Makefile

@@ -26,6 +26,7 @@ SRCDIR=		$(SRC)/contrib/mDNSResponder
 CFLAGS += $(CSTD_GNU99)
 CPPFLAGS += -I$(SRCDIR)/mDNSShared
 CPPFLAGS += -DmDNSResponderVersion=878.1.1
+CPPFLAGS += -DMDNS_VERSIONSTR_NODTS
 LDLIBS += -lsocket -ldns_sd
 
 # not linted