don't include plus-sign in the stored term for imported mentions

include/diaspora.php

@@ -867,11 +867,13 @@ function diaspora_post($importer,$xml,$msg) {
 	$cnt = preg_match_all('/@\[zrl=(.*?)\](.*?)\[\/zrl\]/ism',$body,$matches,PREG_SET_ORDER);
 	if($cnt) {
 		foreach($matches as $mtch) {
+			// don't include plustags in the term
+			$term = ((substr($mtch[2],-1,1) === '+') ? substr($mtch[2],0,-1) : $mtch[2]);
 			$datarray['term'][] = array(
 				'uid'   => $importer['channel_id'],
 				'type'  => TERM_MENTION,
 				'otype' => TERM_OBJ_POST,
-				'term'  => $mtch[2],
+				'term'  => $term,
 				'url'   => $mtch[1]
 			);
 		}