* child_info.h (~child_info_spawn): Check moreinfo->myself_pinfo for

	* child_info.h (~child_info_spawn): Check moreinfo->myself_pinfo for
	NULL before closing.
	* spawn.cc (spawn_guts): Don't close moreinfo->myself_pinfo explicitely
	in case of failing CloseProcess.

	* fhandler.cc (fhandler_base::open_): Return EISDIR when trying to
	create a directory.
	* path.cc (path_conv::check): If input path had a trailing dir
	separator, tack it on to the native path if directory doesn't exist.