clean up 'make test' so that it works even in the presence of

'obj' dirs, and added minigzip to CLEANFILES.

lib/libz/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.1 1996/09/12 19:33:53 gwr Exp $
+# $NetBSD: Makefile,v 1.2 1996/09/12 22:33:40 cgd Exp $
 #
 
 LIB=	z
@@ -9,6 +9,8 @@ CFLAGS+= -D_ZLIB_PRIVATE -I${.CURDIR}
 
 NOMAN=
 
+CLEANFILES+= minigzip
+
 includes:
 	-cd ${.CURDIR}; cmp -s zlib.h ${DESTDIR}/usr/include/zlib.h > \
 	    /dev/null 2>&1 || \
@@ -23,4 +25,4 @@ test: minigzip
 # Note: CFLAGS ommitted by intention!
 # This is to verify that zlib.h works standalone.
 minigzip : minigzip.c libz.a
-	$(CC) -o minigzip minigzip.c libz.a
+	$(CC) -o minigzip ${.CURDIR}/minigzip.c libz.a