disable syslog logging on macOS (#5005) (#5295)

internal/logger/syslog_darwin.go

@@ -0,0 +1,12 @@
+//go:build darwin
+
+package logger
+
+import (
+	"fmt"
+	"io"
+)
+
+func newSysLog(_ string) (io.WriteCloser, error) {
+	return nil, fmt.Errorf("unavailable on macOS")
+}

internal/logger/syslog_unix.go

@@ -1,4 +1,4 @@
-//go:build !windows
+//go:build !windows && !darwin
 
 package logger
 

internal/logger/syslog_win.go

@@ -7,6 +7,6 @@ import (
 	"io"
 )
 
-func newSysLog(prefix string) (io.WriteCloser, error) {
-	return nil, fmt.Errorf("not implemented on windows")
+func newSysLog(_ string) (io.WriteCloser, error) {
+	return nil, fmt.Errorf("unavailable on Windows")
 }