glib/glib.symbols glib/gutils.h Make also g_getenv(), g_setenv(),

glib/glib.symbols glib/gutils.h Make also g_getenv(), g_setenv(),

2005-01-01  Tor Lillqvist  <tml@iki.fi>

	* glib/glib.symbols
	* glib/gutils.h
	* glib/gutils.c: Make also g_getenv(), g_setenv(), g_unsetenv()
	and g_find_program_in_path() take and return UTF-8 strings on
	Win32. Implement DLL ABI backward compatility for them, too. Move
	all the DLL ABI stability wrappers to the end of the file. Use
	wide character API when available in inner_find_program_in_path().

	* glib/gfileutils.c: With the UTF-8ness of g_getenv() above, just
	use g_getenv() to get PATHEXT. (Yeah, it's probably overdoing it
	to consider somebody actually having anything else than ASCII
	in PATHEXT, but...)