time out InactiveCond's wait instead

Core/Core.cpp

@@ -191,9 +191,7 @@ void Core_StateProcessed() {
 void Core_WaitInactive() {
 	while (Core_IsActive() && !GPUStepping::IsStepping()) {
 		std::unique_lock<std::mutex> guard(m_hInactiveMutex);
-		if (coreStatePending) {
-			m_InactiveCond.wait(guard);
-		}
+		m_InactiveCond.wait_for(guard, std::chrono::seconds(1));
 	}
 }