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/zap.c

@@ -5050,7 +5050,8 @@ int triesleft;
 void
 makewish()
 {
-    char buf[BUFSZ], promptbuf[BUFSZ];
+    static char buf[BUFSZ] = DUMMY;
+    char promptbuf[BUFSZ];
     struct obj *otmp, nothing;
     int tries = 0;