make/autoconf/lib-bundled.m4

*** 210,219 ****
--- 210,220 ----
    fi
  
    if test "x$USE_EXTERNAL_LIBZ" = "xfalse"; then
      LIBZ_CFLAGS="$LIBZ_CFLAGS -I$TOPDIR/src/java.base/share/native/libzip/zlib"
    else
+     LIBZ_CFLAGS=""
      LIBZ_LIBS="-lz"
    fi
  
    AC_SUBST(USE_EXTERNAL_LIBZ)
    AC_SUBST(LIBZ_CFLAGS)