Implement on Win32. Append the executable file name suffixes from PATHEXT

Implement on Win32. Append the executable file name suffixes from PATHEXT

2001-03-01  Tor Lillqvist  <tml@iki.fi>

	* gutils.c(g_find_program_in_path): Implement on Win32. Append the
	executable file name suffixes from PATHEXT in turn while
	looking	for the program.
	(g_find_program_in_path): If the program we are looking for is a
	relative path in a subdirectory, don't do any path search.