(trtstr): New members ef_type and trt_uid.

(do_treaty): Initialize them.
(treaty_ca): New selector uid.

src/lib/commands/offe.c

@@ -140,6 +140,8 @@ do_treaty(void)
 	    break;
 	}
     }
+    trty.ef_type = EF_TREATY;
+    trty.trt_uid = nstr.cur;
     trty.trt_acond = ourcond;
     trty.trt_bcond = theircond;
     trty.trt_status = TS_PROPOSED;