check handler_id before disconnecting the signal handler since it might

check handler_id before disconnecting the signal handler since it might

2002-02-20  Sven Neumann  <sven@gimp.org>

	* gtk/gtkcolorsel.c (gtk_color_selection_finalize): check
	handler_id before disconnecting the signal handler since it might
	have never been connected if the GtkColorSelection is destroyed
	before it was realized.