Bookmark submission: Fix stylesheet link.

Change-Id: I797a2d82fb3d0fe229b08e4d000b146d2763ac96
diff --git a/src/main/resources/META-INF/resources/bookmarks/MlkBookmarkSubmissionForm.js b/src/main/resources/META-INF/resources/bookmarks/MlkBookmarkSubmissionForm.js
index f8834ef..99e8df4 100644
--- a/src/main/resources/META-INF/resources/bookmarks/MlkBookmarkSubmissionForm.js
+++ b/src/main/resources/META-INF/resources/bookmarks/MlkBookmarkSubmissionForm.js
@@ -63,7 +63,7 @@
   render() {
     const template = html`
       <link rel="stylesheet" type="text/css" href="/cms2/base.css" />
-      <link rel="stylesheet" type="text/css" href="MlkBookmarkSubmissionForm.css" />
+      <link rel="stylesheet" type="text/css" href="/bookmarks/MlkBookmarkSubmissionForm.css" />
 
       <form class="pure-form" method="post" action="/bookmarks">
         <fieldset>