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.

xrogue/encumb.c

@@ -166,7 +166,7 @@ wghtchk(void)
 
         inwhgt = TRUE;
         if (pstats.s_pack > pstats.s_carry) {
-            ch = mvwinch(stdscr, hero.y, hero.x);
+            ch = mvwinch(stdscr, hero.y, hero.x) & A_CHARTEXT;
             if((ch != FLOOR && ch != PASSAGE)) {
                 extinguish(wghtchk);
                 fuse(wghtchk, NULL, 1, AFTER);