Charisma affects the leeway in demon lord bribes

doc/fixes36.1

@@ -467,6 +467,7 @@ doors in special levels were always generated in vertical orientation
 assigning a type name to a potion on the floor which is actually a mimic could
 	prompt "Call a stream of <potion-type> fluid:" (bogus 'fromsink')
 with perm_invent option enabled and no inventory, 'i' put up an empty menu
+charisma affects the leeway in demon lord bribes
 
 
 Fixes to Post-3.6.0 Problems that Were Exposed Via git Repository

src/minion.c

@@ -279,7 +279,8 @@ register struct monst *mtmp;
         if ((offer = bribe(mtmp)) >= demand) {
             pline("%s vanishes, laughing about cowardly mortals.",
                   Amonnam(mtmp));
-        } else if (offer > 0L && (long) rnd(40) > (demand - offer)) {
+        } else if (offer > 0L
+                   && (long) rnd(5 * ACURR(A_CHA)) > (demand - offer)) {
             pline("%s scowls at you menacingly, then vanishes.",
                   Amonnam(mtmp));
         } else {