2007-11-27  Tor Lillqvist  <tml@novell.com>

	* glib/win_iconv.c: Some improvements, being upstreamed.
	(must_use_null_useddefaultchar): New function, checks for those
	codepages for which one must pass a NULL lpUsedDefaultChar pointer
	to WideCharToMultiByte().
	(kernel_wctomb): Use it.
	(kernel_wctomb): Return with E2BIG immediately if bufsize is zero.


svn path=/trunk/; revision=5945