Fix gofmt & golint

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

Closes: #412
Approved by: baude

libpod/container_api.go

@@ -252,7 +252,7 @@ func (c *Container) Exec(tty, privileged bool, env, cmd []string, user string) e
 	// This really ought to be a do-while, but Go doesn't have those...
 	for found {
 		found = false
-		for id, _ := range c.state.ExecSessions {
+		for id := range c.state.ExecSessions {
 			if id == sessionID {
 				found = true
 				break
@@ -600,9 +600,8 @@ func (c *Container) Wait() (int32, error) {
 			}
 			if !stopped {
 				return false, nil
-			} else { // nolint
+			}
-				return true, nil // nolint
+			return true, nil
-			} // nolint
 		},
 	)
 	if err != nil {

libpod/container_inspect.go

@@ -21,7 +21,7 @@ func (c *Container) getContainerInspectData(size bool, driverData *inspect.Data)
 	}
 
 	execIDs := []string{}
-	for id, _ := range c.state.ExecSessions {
+	for id := range c.state.ExecSessions {
 		execIDs = append(execIDs, id)
 	}