Fix to be compatible with old old node.

Author: trankin

lib/install-ozw.js

@@ -142,10 +142,10 @@ function build(gypArgs, cb) {
 
 function copyFiles() {
   fsextra.copySync(tempPath + '/ozw/open-zwave-master/config', installPath + '/config');
-  fsextra.copySync(tempPath + '/ozw/open-zwave-master/cpp/src',  installPath + '/include', { filter: (src, dest) => {
+  fsextra.copySync(tempPath + '/ozw/open-zwave-master/cpp/src',  installPath + '/include', { filter: function (src, dest) {
     var stat = fs.statSync(src);
     return (stat && stat.isDirectory()) || !src.match(/^.*\.(?!h)[^.]+$/);
-  } });
+  }});
   fsextra.copySync(tempPath + '/ozw/open-zwave-master/build/Release',  installPath + '/bin');
 }
 
@@ -220,7 +220,7 @@ module.exports = function(opts) {
     fs.createReadStream( tempPath + "/ozw.zip")
       .pipe(unzip.Extract({ path: tempPath + '/ozw' }))
       .on('close', function() {
-        var sources = readdirSyncRecursive(tempPath + '/ozw/open-zwave-master/cpp').map((f) => f.replace(tempPath + '/ozw/open-zwave-master/cpp/', ''));
+        var sources = readdirSyncRecursive(tempPath + '/ozw/open-zwave-master/cpp').map(function (f) { return f.replace(tempPath + '/ozw/open-zwave-master/cpp/', ''); });
 
 
         sources = sources.filter(function(f) {