run gofmt over the new file

drivers/docker/win32_volume_parse.go

@@ -2,10 +2,10 @@ package docker
 
 import (
 	"fmt"
-    "regexp"
-    "os"
-    "strings"
 	"github.com/pkg/errors"
+	"os"
+	"regexp"
+	"strings"
 )
 
 // This code is taken from github.com/docker/volume/mounts/windows_parser.go
@@ -71,7 +71,6 @@ const (
 	rxMode = `(:(?P<mode>(?i)ro|rw))?`
 )
 
-
 func errInvalidSpec(spec string) error {
 	return errors.Errorf("invalid volume specification: '%s'", spec)
 }
@@ -149,4 +148,3 @@ func windowsSplitRawSpec(raw, destRegex string) ([]string, error) {
 	}
 	return split, nil
 }
-