Fix #484 - Hash is never set to the cookie
diff --git a/system/core/Security.php b/system/core/Security.php
index 6c4c590..84ecb06 100755
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -886,7 +886,8 @@
 				return $this->_csrf_hash = $_COOKIE[$this->_csrf_cookie_name];
 			}
 
-			return $this->_csrf_hash = md5(uniqid(rand(), TRUE));
+			$this->_csrf_hash = md5(uniqid(rand(), TRUE));
+			$this->csrf_set_cookie();
 		}
 
 		return $this->_csrf_hash;