Compile-time option to allow some prompts remember the input

Define EDIT_GETLIN to make the tty, X11, and Qt4 windowports to
remember the input strings for wishing and annotation.

src/minion.c

@@ -298,7 +298,7 @@ long
 bribe(mtmp)
 struct monst *mtmp;
 {
-    char buf[BUFSZ];
+    char buf[BUFSZ] = DUMMY;
     long offer;
     long umoney = money_cnt(invent);