Add tombstone tribute to S.T.P. for 3.6.0

I've added build files for unices, but other platforms will need to define
NH360_DEDICATION on their own.

sys/unix/hints/macosx10.7

@@ -75,6 +75,7 @@ CFLAGS+=-g -I../include
 CFLAGS+= -DNOMAIL -DNOTPARMDECL -DHACKDIR=\"$(HACKDIR)\"
 CFLAGS+= -DDEFAULT_WINDOW_SYS=\"$(WANT_DEFAULT)\" -DDLB
 
+CFLAGS+=NH360_DEDICATION
 CFLAGS+= -DGREPPATH=\"/usr/bin/grep\"
 
 ifdef WANT_WIN_CHAIN