* filemanip.cc (nt_fopen): Rename from fopen. Add permission parameter.

	* filemanip.cc (nt_fopen): Rename from fopen.  Add permission parameter.
	Drop C binding.  Move comment.
	* filemanip.h (nt_fopen): Declare.
	* geturl.cc (get_url_to_file): Call nt_fopen instead of fopen.
	* nio-file.cc (NetIO_File::NetIO_File): Ditto.
	* main.cc (dyn_AttachConsole): Remove.
	(dyn_GetLongPathName): Remove.
	(set_dynaddr): Remove.
	(set_cout): Just call AttachConsole directly.
	(WinMain): Drop call to set_dynaddr.