suricata: download emerging.rules.tar.gz w/o csum
suricata: download emerging.rules.tar.gz w/o csum

The file emerging.rules.tar.gz is not versioned and changes every
now and then thus download it in post_fetch() and extract it into
the builddir for the rules to be added to the package.

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