struct Item has modification_user_id (long) now

this is the id of a user who has modified the item recently
this is only for information, persmissions don't use it


git-svn-id: svn://ttmath.org/publicrep/winix/trunk@614 e52654a7-88a9-db11-a3e9-0013d4bc506e

content/upload.cpp

@@ -136,6 +136,7 @@ void Content::UploadSingle()
 	bool has_url     = (new_url && (*new_url)[0] != 0 );
 
 	ReadItem(request.item, Item::file); // ReadItem() changes the url if it is empty
+	SetUser(request.item);
 	request.item.privileges = 0644; // !! tymczasowo
 
 	const char * file_name = request.post_file_table.begin()->second.filename.c_str();