gtk/gtk_since_3_12.go
func (fb *FlowBox) GetRowSpacing() uint {
	c := C.gtk_flow_box_get_row_spacing(fb.native())
	return uint(c)
}
func (fb *FlowBox) GetRowSpacing() uint {
	c := C.gtk_flow_box_get_row_spacing(fb.native())
	return uint(c)
}
// GetRowSpacing is a wrapper around gtk_flow_box_get_row_spacing()