[Win32] Don't exceed handle array bounds. Warn if there would be too many

[Win32] Don't exceed handle array bounds. Warn if there would be too many

2003-08-15  Tor Lillqvist  <tml@iki.fi>

	* glib/gmain.c (g_poll): [Win32] Don't exceed handle array
	bounds. Warn if there would be too many handles to wait
	for. (WaitForMultipleObjects() has a relatively low limit of 64
	handles. The Win32 IO channel code should be fixed not to need to
	wait for one handle per file or socket being watched. Later.)