AlvaroFranco/AFSoundManager — pull request #3 by jameszoh (2014-05-28 05:05:28+00:00)
Title: Update AFAudioRouter.m

Add (id\) in line 31:
[[AVAudioSession sharedInstance] setDelegate:(id\)self];

To get rid of warning:
Incompatible pointer types sending 'Class' to parameter of type 'id'