Fix many compiler warnings. There should only be two changes in behavior: arogue7/fight.c, arogue7/fight.c: a to-hit bonus is now correctly applied to characters who are not monks instead of monks who are not empty-handed. urogue/fight.c: fixed an interaction with the "debug" macro that could cause the wrong message to be displayed.

--- a/rogue4/weapons.c	Sat Mar 20 22:36:52 2021 -0400
+++ b/rogue4/weapons.c	Wed Apr 14 18:55:33 2021 -0400
@@ -162,7 +162,7 @@
  *	Set up the initial goodies for a weapon
  */
 void
-init_weapon(THING *weap, char type)
+init_weapon(THING *weap, signed char type)
 {
     register struct init_weps *iwp;