prefs: allow setting email if it was previously blank

classes/pref/prefs.php

@@ -231,11 +231,10 @@ class Pref_Prefs extends Handler_Protected {
 		if ($user) {
 			$user->full_name = clean($_POST['full_name']);
 
-			if ($user->email != $new_email)
+			if ($user->email != $new_email) {
 				Logger::log(E_USER_NOTICE, "Email address of user ".$user->login." has been changed to ${new_email}.");
 
-			if ($user->email && $user->email != $new_email) {
-
+				if ($user->email) {
 					$mailer = new Mailer();
 
 					$tpl = new Templator();
@@ -254,6 +253,7 @@ class Pref_Prefs extends Handler_Protected {
 						"to_address" => $user->email,
 						"subject" => "[tt-rss] Email address change notification",
 						"message" => $message]);
+				}
 
 				$user->email = $new_email;
 			}