Whitespace cleanup in libraries/
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index c6d7c29..adfd17d 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -1040,7 +1040,7 @@
 			return $this->valid_email(trim($str));
 		}
 
-		foreach(explode(',', $str) as $email)
+		foreach (explode(',', $str) as $email)
 		{
 			if (trim($email) != '' && $this->valid_email(trim($email)) === FALSE)
 			{