giac: update to 1.4.9r59.
giac: update to 1.4.9r59.

NeoChontrix/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,coredumb/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,coredumb/void-packages,coredumb/void-packages,necrophcodr/void-packages,coredumb/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,coredumb/void-packages,coredumb/void-packages,necrophcodr/void-packages,necrophcodr/void-packages