gtk/icon_view.go
func (v *IconView) SetRowSpacing(rowSpacing int) {
	C.gtk_icon_view_set_row_spacing(v.native(), C.gint(rowSpacing))
}
func (v *IconView) SetRowSpacing(rowSpacing int) {
	C.gtk_icon_view_set_row_spacing(v.native(), C.gint(rowSpacing))
}
// SetRowSpacing is a wrapper around gtk_icon_view_set_row_spacing().