Function add_trailing_slash

Add trailing slash or backslash to path.

	static CL_String CL_PathHelp::add_trailing_slash(
		const CL_String & path,
		PathType  path_type = path_type_file);

Detailed description:

This function checks if a path already has a trailing slash/backslash and adds it if its missing. param: path = The path to use param: path_type = The path type (of path)