Change folder mime type to application/vnc.swift.directory

Signed-off-by: Sylvain Baubeau <sbaubeau@redhat.com>

cmd/registry-storagedriver-swift/main.go

@@ -25,8 +25,4 @@ func main() {
 	if err != nil {
 		panic(err)
 	}
-
-	if err := ipc.StorageDriverServer(driver); err != nil {
-		logrus.Fatalln(err)
-	}
 }

registry/storage/driver/swift/swift.go

@@ -49,7 +49,8 @@ const defaultChunkSize = 20 * 1024 * 1024
 // minChunkSize defines the minimum size of a segment
 const minChunkSize = 1 << 20
 
-const directoryMimeType = "application/directory"
+// Vendor MIME type used for objects that act as directories
+const directoryMimeType = "application/vnd.swift.directory"
 
 //DriverParameters A struct that encapsulates all of the driver parameters after all values have been set
 type DriverParameters struct {