Minor code cleanup...
Minor code cleanup...

- Built and tested on FreeBSD

rouzier/gopacket,nhooyr/gopacket,ross-williams/gopacket,josephcopenhaver/gopacket,josephcopenhaver/gopacket,google/gopacket,levigross/gopacket,zerklabs/gopacket,skyportsystems/gopacket,nhooyr/gopacket,UIKit0/gopacket-1,google/gopacket,adriantam/gopacket,rouzier/gopacket,breml/gopacket,xuzhaokui/gopacket,ross-williams/gopacket,vtolstov/gopacket,adriantam/gopacket,aeppert/gopacket,xuzhaokui/gopacket,urso/gopacket,rouzier/gopacket,LrsK/gopacket,levigross/gopacket,UIKit0/gopacket-1,xuzhaokui/gopacket,zerklabs/gopacket,vtolstov/gopacket,aeppert/gopacket,zerklabs/gopacket,levigross/gopacket,urso/gopacket,ccordes-snaproute/gopacket,josephcopenhaver/gopacket,aeppert/gopacket,UIKit0/gopacket-1,urso/gopacket,1d4Nf6/gopacket,nhooyr/gopacket,skyportsystems/gopacket,1d4Nf6/gopacket,adriantam/gopacket,ccordes-snaproute/gopacket,skyportsystems/gopacket,1d4Nf6/gopacket,ccordes-snaproute/gopacket,google/gopacket,LrsK/gopacket,breml/gopacket,vtolstov/gopacket,LrsK/gopacket,ross-williams/gopacket,breml/gopacket