Entity.h - include Mutex; fix CI output for Windows

Architector4 · web-flow · commit 0fce00542503 · 2025-11-05T22:09:58.000+03:00
diff --git a/Source/System/Entity.h b/Source/System/Entity.h
@@ -3,6 +3,7 @@
 #include "Serializable.h"
 #include "RTEError.h"
 
+#include <mutex>
 #include <list>
 #include <unordered_set>
 
