Merge pull request #115 from dannywarren/openal_exit_crash_fix

Fixed soundmanager crash on winxp, upgraded to openal-soft 1.14

CMake/ExternalOpenAL.cmake

@@ -15,8 +15,8 @@ ExternalProject_Add(openal
 
     DOWNLOAD_DIR ${POLYCODE_DEPS_DOWNLOAD_DIR}
 
-    URL http://kcat.strangesoft.net/openal-releases/openal-soft-1.13.tar.bz2
-    URL_MD5 58b7d2809790c70681b825644c5f3614
+    URL http://kcat.strangesoft.net/openal-releases/openal-soft-1.14.tar.bz2
+    URL_MD5 3d8b86c21a2f87a2a5e60f78f3b3f03d
     
     INSTALL_DIR ${POLYCODE_DEPS_CORE_PREFIX}
     CMAKE_ARGS ${openal_CMAKE_ARGS}

Core/Contents/Source/PolySoundManager.cpp

@@ -102,8 +102,11 @@ void SoundManager::setListenerOrientation(Vector3 orientation) {
 }
 
 SoundManager::~SoundManager() {
-	alcSuspendContext(context);
-	alcDestroyContext(context);
+	if (context != 0 ) {
+		alcSuspendContext(context);
+		alcMakeContextCurrent(0);
+		alcDestroyContext(context);
+	}
 	if (device != 0) {
 		alcCloseDevice(device);
 	}