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.

rogue3/main.c

@@ -419,9 +419,9 @@ playit()
 int
 too_much()
 {
+#ifdef MAXLOAD
     double avec[3];
 
-#ifdef MAXLOAD
     if (md_loadav(avec) == 0)
     	return (avec[2] > (MAXLOAD / 10.0));
 #endif