don't provide 'show more' on remote friends in common unless there are actually more

include/contact_widgets.php

@@ -183,7 +183,8 @@ function common_friends_visitor_widget($profile_uid) {
 		'$desc' =>  sprintf( tt("%d contact in common", "%d contacts in common", $t), $t),
 		'$base' => $a->get_baseurl(),
 		'$uid' => $profile_uid,
-		'$cid' => $cid,
+		'$cid' => (($cid) ? $cid : '0'),
+		'$linkmore' => (($t > 5) ? 'true' : ''),
 		'$more' => t('show more'),
 		'$items' => $r
 	)); 

view/remote_friends_common.tpl

@@ -1,5 +1,5 @@
 <div id="remote-friends-in-common" class="bigwidget">
-	<div id="rfic-desc">$desc &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="$base/common/rem/$uid/$cid">$more</a></div>
+	<div id="rfic-desc">$desc &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{{ if $linkmore }}<a href="$base/common/rem/$uid/$cid">$more</a>{{ endif }}</div>
 	{{ if $items }}
 	{{ for $items as $item }}
 	<div class="profile-match-wrapper">