Don't de-reference swift connection

The connection object contains a mutex, so it is good practice not to dereference it to a value.

Reported by Go tip "go vet".

swift/swift.go

@@ -80,7 +80,7 @@ func init() {
 // Fs represents a remote swift server
 type Fs struct {
 	name              string            // name of this remote
-	c                 swift.Connection // the connection to the swift server
+	c                 *swift.Connection // the connection to the swift server
 	container         string            // the container we are working on
 	segmentsContainer string            // container to store the segments (if any) in
 	root              string            // the path we are working on if any
@@ -175,7 +175,7 @@ func NewFsWithConnection(name, root string, c *swift.Connection) (fs.Fs, error)
 	}
 	f := &Fs{
 		name:              name,
-		c:                 *c,
+		c:                 c,
 		container:         container,
 		segmentsContainer: container + "_segments",
 		root:              directory,