fix breakage here that cause a segfault on text insertion

fix breakage here that cause a segfault on text insertion

2000-12-08  Havoc Pennington  <hp@redhat.com>

	* gtk/gtktextbtree.c (gtk_text_btree_insert): fix breakage here
	that cause a segfault on text insertion

	* gtk/gtktextchild.c (gtk_text_child_anchor_queue_resize): fix
	warning

	* gtk/gtktextiter.c (test_log_attrs): use
	_gtk_text_buffer_get_line_log_attrs to speed things up a bit

	* gtk/gtktextbuffer.c (_gtk_text_buffer_get_line_log_attrs):
	Get log attrs for a line, using a cache stored on the buffer

	* gtk/gtkcolorsel.h (GTK_COLOR_SELECTION_GET_CLASS): fix typo,
	reported by Jeff Franks