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/write.c

@@ -95,7 +95,7 @@ dowrite(pen)
 register struct obj *pen;
 {
     register struct obj *paper;
-    char namebuf[BUFSZ], *nm, *bp;
+    char namebuf[BUFSZ] = DUMMY, *nm, *bp;
     register struct obj *new_obj;
     int basecost, actualcost;
     int curseval;