golangci-lint: add systemd build tag

Lint the systemd code and fix the reported problems.
The remoteclient tag is no longer used so I just removed it.

[NO NEW TESTS NEEDED]

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/libpod/container_log_linux.go b/libpod/container_log_linux.go
index deb726526..7f90332c7 100644
--- a/libpod/container_log_linux.go
+++ b/libpod/container_log_linux.go
@@ -292,11 +292,12 @@ func formatterPrefix(entry *sdjournal.JournalEntry) (string, error) {
 	if !ok {
 		return "", errors.Errorf("no PRIORITY field present in journal entry")
 	}
-	if priority == journaldLogOut {
+	switch priority {
+	case journaldLogOut:
 		output += "stdout "
-	} else if priority == journaldLogErr {
+	case journaldLogErr:
 		output += "stderr "
-	} else {
+	default:
 		return "", errors.Errorf("unexpected PRIORITY field in journal entry")
 	}