fix build badge

Author: gshackles

README.md

@@ -2,7 +2,7 @@
 
 FluentLayout provides an easy, fluent API for creating constraint-based layouts in Xamarin.iOS.
 
-[![Build Status](https://www.bitrise.io/app/3584ad3a37e4084c.svg?token=nxuhVtDms232YxvcvYIW0w)](https://www.bitrise.io/app/3584ad3a37e4084c)
+[![Build Status](https://app.bitrise.io/app/3584ad3a37e4084c/status.svg?token=nxuhVtDms232YxvcvYIW0w&branch=master)](https://app.bitrise.io/app/3584ad3a37e4084c)
 
 ## How To Use