Fix bug in core script.

taylorotwell · taylorotwell · commit 98ea9ac41f26 · 2012-04-20T10:54:40.000-05:00
diff --git a/laravel/core.php b/laravel/core.php
@@ -185,7 +185,7 @@
 |
 */
 
-if ( ! is_null($environment))
+if (isset($environment))
 {
 	Request::set_env($environment);
 }
