go vet errors

[ncopa]

When I run make test in git master I get the following errors:

$ go version
go version go1.16.5 linux/amd64
$ make test
go vet github.com/sipcapture/heplify-server/cmd/heplify-server github.com/sipcapture/heplify-server/database github.com/sipcapture/heplify-server/decoder github.com/sipcapture/heplify-server/decoder/luar github.com/sipcapture/heplify-server/remotelog github.com/sipcapture/heplify-server/remotelog/logproto github.com/sipcapture/heplify-server/rotator github.com/sipcapture/heplify-server/server github.com/sipcapture/heplify-server/sipparser
# github.com/sipcapture/heplify-server/rotator
rotator/rotator.go:222:2: unreachable code
# github.com/sipcapture/heplify-server/decoder
decoder/decoder.go:299:35: possible misuse of reflect.SliceHeader
make: *** [Makefile:13: test] Error 2

[ncopa]

fixed in #474