Correct memory leak

Correct memory leak after creating a network party

SourceS/miniwin/misc.h

@@ -187,6 +187,7 @@ WINBOOL WINAPI CloseHandle(HANDLE hObject);
 
 HANDLE WINAPI CreateEventA(LPSECURITY_ATTRIBUTES lpEventAttributes, WINBOOL bManualReset, WINBOOL bInitialState,
     LPCSTR lpName);
+BOOL CloseEvent(HANDLE event);
 BOOL WINAPI SetEvent(HANDLE hEvent);
 BOOL WINAPI ResetEvent(HANDLE hEvent);
 int WINAPI WaitForSingleObject(HANDLE hHandle, DWORD dwMilliseconds);

SourceX/miniwin/misc_io.cpp

@@ -127,7 +127,7 @@ WINBOOL CloseHandle(HANDLE hObject)
 {
 	memfile *file = static_cast<memfile *>(hObject);
 	if (files.find(file) == files.end())
-		return true;
+		return CloseEvent(hObject);
 	std::unique_ptr<memfile> ufile(file); // ensure that delete file is
 	                                      // called on returning
 	files.erase(file);

SourceX/miniwin/thread.cpp

@@ -129,6 +129,18 @@ HANDLE CreateEventA(LPSECURITY_ATTRIBUTES lpEventAttributes, WINBOOL bManualRese
 	return ret;
 }
 
+BOOL CloseEvent(HANDLE hObject)
+{
+	struct event_emul *event = static_cast<struct event_emul *>(hObject);
+	if (events.find((uintptr_t)event) == events.end())
+		return false;
+	SDL_DestroyCond(event->cond);
+	SDL_DestroyMutex(event->mutex);
+	events.erase((uintptr_t)event);
+	free(event);
+	return true;
+}
+
 BOOL SetEvent(HANDLE hEvent)
 {
 	struct event_emul *e = (struct event_emul *)hEvent;