OS X: fix an oversight with the paused state in EmuThread.
This could have caused bugs later down the line.

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@92220 e17a0e51-4ae3-4d35-97c3-1a29b211df97
Merge branch 'master' into SwiftTesting