FIX SQL injection on user/index.php parameter search_statut.

htdocs/core/lib/functions.lib.php

@@ -286,6 +286,9 @@ function GETPOST($paramname,$check='',$method=0,$filter=NULL,$options=NULL)
 	        case 'int':
 	            if (! is_numeric($out)) { $out=''; }
 	            break;
+	        case 'intcomma':
+	            if (preg_match('/[^0-9,]+/i',$out)) $out='';
+	            break;
 	        case 'alpha':
 	            $out=trim($out);
 	            // '"' is dangerous because param in url can close the href= or src= and add javascript functions.