Corrige petit soucis de copié-collé HTML

app/views/configure/sharing.phtml

@@ -39,7 +39,7 @@
 		</div>
 
 		<div class="form-group">
-			<label class="group-name" for="mail_login"><?php echo Translate::t ('activate_sharing'); ?></label>
+			<label class="group-name"><?php echo Translate::t ('activate_sharing'); ?></label>
 			<div class="group-controls">
 				<?php
 					$services = array ('twitter', 'g+', 'facebook', 'email');