common/shlibs: keep previous libmpfr until updated
common/shlibs: keep previous libmpfr until updated

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