$NetBSD$

Backport upstream commit 5157bd6a0b2dcda08143fd725e1c04dadc315bdc so it
links also with BSD make.

--- Makefile.orig	2019-09-29 21:23:06.000000000 +0000
+++ Makefile
@@ -19,6 +19,7 @@ options:
 	@echo "-+-+-+-+-+-+-+-+-+-+-" 
 
 gramscii: ${OBJ}
+	${CC} ${LDFLAGS} -o gramscii ${OBJ}
 
 ${OBJ}: ${INC}