Merge pull request #4290 from 38tter/fix-tiny-nits

Fix nits

cli/command/container/opts.go

@@ -371,7 +371,7 @@ func parse(flags *pflag.FlagSet, copts *containerOptions, serverOS string) (*con
 	var binds []string
 	volumes := copts.volumes.GetMap()
 	// add any bind targets to the list of container volumes
-	for bind := range copts.volumes.GetMap() {
+	for bind := range volumes {
 		parsed, err := volumespec.Parse(bind)
 		if err != nil {
 			return nil, err