Bugfix: safe call of .hasOwnProperty(...)

Author: hoegaarden

lib/index.js

@@ -52,7 +52,8 @@ PG.prototype.cancel = function(config, client, query) {
   cancellingClient.cancel(client, query);
 };
 
-if (process.env.hasOwnProperty('NODE_PG_FORCE_NATIVE')) {
+var forceNative = Object.prototype.hasOwnProperty.call(process.env, 'NODE_PG_FORCE_NATIVE');
+if (forceNative) {
   module.exports = new PG(require(__dirname + '/native'));
 } else {
   module.exports = new PG(Client);