When the string is ended by a delimiter, return an extra empty string just

When the string is ended by a delimiter, return an extra empty string just

2000-10-26  Sebastian Wilhelmi  <wilhelmi@ira.uka.de>

	* gstrfuncs.c (g_strsplit): When the string is ended by a
	delimiter, return an extra empty string just like for a delimiter
	at the start of the string. This makes the function behave more
	consitent and also fixes Bug #15026.