Change order of LDFLAGS paths (#1754)

plugins/python-build/bin/python-build

@@ -1494,7 +1494,7 @@ use_xcode_sdk_zlib() {
     echo "python-build: use zlib from xcode sdk"
     export CFLAGS="-I${xc_sdk_path}/usr/include ${CFLAGS}"
     if is_mac -ge 1100; then
-      export LDFLAGS="-L${xc_sdk_path}/usr/lib ${LDFLAGS}"
+      export LDFLAGS="${LDFLAGS} -L${xc_sdk_path}/usr/lib"
     fi
   fi
 }