rare books store tribute

src/allmain.c

@@ -487,6 +487,9 @@ newgame()
 	context.stethoscope_move = -1L;
 	context.warnlevel = 1;
 	context.next_attrib_check = 600L; /* arbitrary first setting */
+	context.tribute.enabled = TRUE;   /* turn on 3.6 tributes    */
+	context.tribute.tributesz = sizeof(struct tribute_info);
+	context.tribute.bookidx = 0;
 
 	for (i = 0; i < NUMMONS; i++)
 		mvitals[i].mvflags = mons[i].geno & G_NOCORPSE;