From c0e5a0f1aa10ecd3b351886b95be995f44d6d8fb Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@kitenet.net>
Date: Wed, 28 Mar 2012 16:47:37 -0400
Subject: [PATCH] fix another undef/"" confusion

---
 IkiWiki/Plugin/passwordauth.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/IkiWiki/Plugin/passwordauth.pm b/IkiWiki/Plugin/passwordauth.pm
index 35ebd961f..c167f52b5 100644
--- a/IkiWiki/Plugin/passwordauth.pm
+++ b/IkiWiki/Plugin/passwordauth.pm
@@ -329,7 +329,7 @@ sub formbuilder (@) {
 	elsif ($form->title eq "preferences") {
 		if ($form->submitted eq "Save Preferences" && $form->validate) {
 			my $user_name=$form->field('name');
-			if ($form->field("password") && length $form->field("password")) {
+			if (defined $form->field("password") && length $form->field("password")) {
 				setpassword($user_name, $form->field('password'));
 			}
 		}
-- 
2.26.2