- fill #searches.last_seen column

- small correction on my previous commit (functions_tag.inc.php)
- web service tags.getImages correction

git-svn-id: http://piwigo.org/svn/trunk@1816 68402e56-0260-453c-a942-63ccdbb3a9ee

qsearch.php

@@ -37,9 +37,9 @@ $search['q']=$_GET['q'];
 
 $query ='
 INSERT INTO '.SEARCH_TABLE.'
-  (rules)
+  (rules, last_seen)
   VALUES
-  (\''.serialize($search).'\')
+  (\''.serialize($search).'\', NOW() )
 ;';
 pwg_query($query);