title: navigation bar rightbaritem image-button bug iOS 11
body: <p>This code works ok in ios10. i get my label and an image button which is the user photo profile, circular round.. ok. but when running xcode 9 ios11 simulator i get it streched out. the button frame has to be 32x32 , when checking on the sim and getting the view and telling xcode to describe the view i get output as 170x32 or somethint like that.</p>
  
  <p>heres my code.</p>
  
  <pre><code>let labelbutton = UIButton( type: .system)
      labelbutton.addTarget(self, action:#selector(self.toLogin(_:)), for: .touchUpInside)
      labelbutton.setTitleColor(UIColor.white, for: .normal)
      labelbutton.contentHorizontalAlignment = .right
      labelbutton.titleLabel?.font = UIFont.systemFont(ofSize: 18.00)
  
  
  
      let button = UIButton(type: .custom)
       button.addTarget(self, action:#selector(self.toLogin(_:)), for: .touchUpInside)
       button.frame = CGRect(x: 0, y: 0, width: 32, height: 32)
       button.setTitleColor(UIColor.white, for: .normal)
       button.setTitleColor(UIColor.white, for: .highlighted)
  
  
      var buttomItem : UIBarButtonItem = UIBarButtonItem()
      buttomItem.customView = button
      buttomItem.target = self
      buttomItem.action = "ToLogin"
  
      var labelItem : UIBarButtonItem = UIBarButtonItem()
      labelItem.customView = labelbutton
      labelItem.target = self
      labelItem.action = "ToLogin"
  
  
      if let user = PFUser.current() {
          print("LOGIN : checkiando si existe usuario ")
              labelbutton.setTitle(USERNAME, for: UIControlState.normal)
              labelbutton.sizeToFit()
  
          if(user["profile_photo_url"] != nil) {
              print(" ENCONTRO PROFILE PHOTO URL NOT NIL Y ES \(user["profile_photo_url"])")
              let photoURL = user["profile_photo_url"] as! String
              let a = LoginService.sharedInstance
              a.downloadImage(url: photoURL, complete: { (complete) in
  
                  if (complete) {
  
                      button.setImage(LoginService.sharedInstance.profile_photo! , for: UIControlState.normal)
  
                      button.layer.cornerRadius = 0.5 * button.bounds.size.width
                     // button.imageView!.contentMode = .scaleAspectFit
                     // button.imageView!.frame = CGRect(x: 0, y: 0, width: 40, height: 40)
                      //button.imageView!.contentMode = .scaleAspectFit
                      //button.imageView!.clipsToBounds = true
                      //button.imageView!.layer.cornerRadius = 60
                      button.clipsToBounds = true
                      self.NavigationItem.rightBarButtonItems = [buttomItem,labelItem]
                  }
  
  
              })
          } else {
                  self.NavigationItem.rightBarButtonItem = labelItem
  
          }
              print(" EL FRAME DEL BUTTON ES \(button.frame)")
  
      } else {
  
          labelbutton.setTitle("Login", for: UIControlState.normal)
          labelbutton.sizeToFit()
          self.NavigationItem.rightBarButtonItem = labelItem
  
      }
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/zuB9A.png" rel="noreferrer"><img src="https://i.stack.imgur.com/zuB9A.png" alt="enter image description here"></a></p>