windows: gofmt -w windows/security_windows.go

x/sys/unix is vendored into the standard library, and the commit hook
for the standard library requires files to be gofmt-clean.

Updates golang/go#26924

Change-Id: I22a994062bcdbebe8a1fe1ae0ed4606837f03079
Reviewed-on: https://go-review.googlesource.com/c/162990Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

windows/security_windows.go

@@ -149,7 +149,7 @@ const (
 	DOMAIN_ALIAS_RID_REMOTE_DESKTOP_USERS           = 0x22b
 	DOMAIN_ALIAS_RID_NETWORK_CONFIGURATION_OPS      = 0x22c
 	DOMAIN_ALIAS_RID_INCOMING_FOREST_TRUST_BUILDERS = 0x22d
-	DOMAIN_ALIAS_RID_MONITORING_USERS               = 0X22e
+	DOMAIN_ALIAS_RID_MONITORING_USERS               = 0x22e
 	DOMAIN_ALIAS_RID_LOGGING_USERS                  = 0x22f
 	DOMAIN_ALIAS_RID_AUTHORIZATIONACCESS            = 0x230
 	DOMAIN_ALIAS_RID_TS_LICENSE_SERVERS             = 0x231