changed: there is one dir called root (has parent_id -1)

(we have an owner, group, privileges etc of the root dir)
         the root.id of course is not -1 


git-svn-id: svn://ttmath.org/publicrep/cmslu/trunk@468 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/request.cpp

@@ -384,7 +384,7 @@ bool Request::HasAccess(const Item & item, int mask)
 	
 	if( session->puser && session->puser->IsMemberOf(item.group_id) )
 	{
-		// group	
+		// group
 		return ((item.privileges >> 3) & mask) == mask;
 	}
 	
@@ -411,7 +411,7 @@ bool Request::HasReadWriteAccess(const Item & item)
 }
 
 
-bool Request::HasExecAccess(const Item & item)
+bool Request::HasReadExecAccess(const Item & item)
 {
 	return HasAccess(item, 5);	// r+x
 }