Fixed macos compile.

src/core/CMakeLists.txt

@@ -23,6 +23,8 @@ set(CORE_SOURCES
   ./library/track/Track.cpp
   ./library/track/RetainedTrack.cpp
   ./plugin/PluginFactory.cpp
+	./runtime/Message.cpp
+	./runtime/MessageQueue.cpp
   ./support/Common.cpp
   ./support/Preferences.cpp
   ./support/PreferenceKeys.cpp

src/core/runtime/MessageQueue.h

@@ -37,6 +37,7 @@
 #include "IMessage.h"
 #include "IMessageTarget.h"
 
+#include <list>
 #include <mutex>
 #include <condition_variable>
 #include <chrono>

src/musikbox/CMakeLists.txt

@@ -36,8 +36,6 @@ set (BOX_SRCS
 	./cursespp/LayoutBase.cpp
 	./cursespp/ListOverlay.cpp
 	./cursespp/ListWindow.cpp
-	./cursespp/Message.cpp
-	./cursespp/MessageQueue.cpp
 	./cursespp/MultiLineEntry.cpp
 	./cursespp/OverlayStack.cpp
 	./cursespp/ShortcutsWindow.cpp

src/musikbox/cursespp/IWindow.h

@@ -42,8 +42,6 @@
 #include <core/runtime/IMessageTarget.h>
 
 namespace cursespp {
-    class musik::core::runtime::IMessage;
-
     class IWindow :
         public IOrderable,
         public IDisplayable,