Enable syslog driver for windows

Signed-off-by: Michal Wieczorek <wieczorek-michal@wp.pl>
Upstream-commit: eac70703e3f46f825354f03cac93206497143350
Component: engine

components/engine/daemon/logdrivers_windows.go

@@ -7,4 +7,5 @@ import (
 	_ "github.com/docker/docker/daemon/logger/etwlogs"
 	_ "github.com/docker/docker/daemon/logger/jsonfilelog"
 	_ "github.com/docker/docker/daemon/logger/splunk"
+	_ "github.com/docker/docker/daemon/logger/syslog"
 )

components/engine/daemon/logger/syslog/syslog.go

@@ -1,5 +1,3 @@
-// +build linux
-
 // Package syslog provides the logdriver for forwarding server logs to syslog endpoints.
 package syslog
 

components/engine/daemon/logger/syslog/syslog_test.go

@@ -1,11 +1,10 @@
-// +build linux
-
 package syslog
 
 import (
-	syslog "github.com/RackSec/srslog"
 	"reflect"
 	"testing"
+
+	syslog "github.com/RackSec/srslog"
 )
 
 func functionMatches(expectedFun interface{}, actualFun interface{}) bool {

components/engine/daemon/logger/syslog/syslog_unsupported.go

@@ -1,3 +0,0 @@
-// +build !linux
-
-package syslog