$NetBSD: patch-ext_zlib_Makefile.in,v 1.1 2018/07/26 16:55:29 jperkin Exp $

Ensure correct zlib library is linked.

--- ext/zlib/Makefile.in.orig	2017-04-14 08:07:25.000000000 +0000
+++ ext/zlib/Makefile.in
@@ -21,7 +21,7 @@ XCLEANFILES = rfc--zlib.c zlib.sci
 all : $(LIBFILES)
 
 rfc--zlib.$(SOEXT) : $(OBJECTS)
-	$(MODLINK) rfc--zlib.$(SOEXT) $(OBJECTS) $(EXT_LIBGAUCHE) $(LIBS)
+	$(MODLINK) rfc--zlib.$(SOEXT) $(OBJECTS) $(EXT_LIBGAUCHE) $(XLDFLAGS) $(LIBS)
 
 $(OBJECTS) : gauche-zlib.h