Bring back lost localization for the about page

program/localization/en_US/labels.inc

@@ -493,6 +493,7 @@ $labels['sortasc']  = 'Sort ascending';
 $labels['sortdesc'] = 'Sort descending';
 $labels['undo'] = 'Undo';
 
+$labels['installedplugins'] = 'Installed plugins';
 $labels['plugin'] = 'Plugin';
 $labels['version'] = 'Version';
 $labels['source'] = 'Source';

skins/classic/templates/about.html

@@ -25,7 +25,7 @@ Some <a href="http://roundcube.net/license">exceptions</a> for skins &amp; plugi
 <p class="links"><roundcube:object name="supportlink" label="support" target="_blank" /></p>
 </div>
 
-<h3><roundcube:label name="installedplugins" en_US="Installed plugins" /></h3>
+<h3><roundcube:label name="installedplugins" /></h3>
 <roundcube:object name="pluginlist" id="pluginlist" class="records-table" cellspacing="0" />
 
 </div>

skins/larry/templates/about.html

@@ -20,7 +20,7 @@ Some <a href="http://roundcube.net/license">exceptions</a> for skins &amp; plugi
 </div>
 
 <div class="readtext">
-<h3><roundcube:label name="installedplugins" en_US="Installed plugins" /></h3>
+<h3><roundcube:label name="installedplugins" /></h3>
 <roundcube:object name="pluginlist" id="pluginlist" class="records-table" />
 </div>