Update release_3_0_2.php

add missing argument

Author: SMcCandlish

migrations/release_3_0_2.php

@@ -33,7 +33,7 @@ public function update_data()
 		$re = array();
 
 		$re[] = array('config.remove', array(prefixes::CONFIG.'_convert_space_to_minus', 1));
-		$re[] = array('config.add', array(prefixes::CONFIG.'_convert_space_to_hyphen'));
+		$re[] = array('config.add', array(prefixes::CONFIG.'_convert_space_to_hyphen', 1));
 		$re[] = array('config.update', array(prefixes::CONFIG.'_version', $this->version));
 
 		return $re;