Give the children of self equal space in the box?

Property definitions

gtk $ GtkBox :: homogeneous=
	# Give the children of `self` equal space in the box?
	fun homogeneous=(homogeneous: Bool) `{
		gtk_box_set_homogeneous(self, homogeneous);
	`}
lib/gtk/v3_4/gtk_core.nit:424,2--427,3