Fix the PauseStream handler to flip the `playing` bit. (#233)

* Fix the PauseStream handler to flip the `playing` bit.

* Changelog entry on the wasapi stream resuming fix.

* Moved the changelog entry to the Unreleased.

CHANGELOG.md

@@ -1,5 +1,6 @@
 # Unreleased
 
+- Fix resuming a paused stream on Windows (wasapi).
 - Implement `default_output_format` for emscripten backend.
 
 # Version 0.8.1 (2018-03-18)

src/wasapi/stream.rs

@@ -462,7 +462,7 @@ impl EventLoop {
                                 if v.playing {
                                     let hresult = (*v.audio_client).Stop();
                                     check_result(hresult).unwrap();
-                                    v.playing = true;
+                                    v.playing = false;
                                 }
                             }
                         },