Fix VC2015 compile error (Add missing include files)
Fix VC2015 compile error (Add missing include files)

leahjean/Music-Website,craigsapp/midifile,jimfinnis/angortplugins,leahjean/Music-Website,jimfinnis/angortplugins,jimfinnis/angortplugins,jimfinnis/angortplugins,leahjean/Music-Website