Fix size annotations for legoomni

Fix structure and add placeholder annotations for LegoAnimActor and subclasses

LEGO1/lego/legoomni/include/act2actor.h

@@ -0,0 +1,16 @@
+#include "legoanimactor.h"
+
+/*
+	VTABLE: LEGO1 0x100d6078 LegoPathActor
+	VTABLE: LEGO1 0x100d6148 LegoAnimActor
+*/
+// SIZE 0x1a8
+class Act2Actor : public LegoAnimActor {
+	Act2Actor();
+
+	// SYNTHETIC: LEGO1 0x1001a090
+	// Act2Actor::`scalar deleting destructor'
+
+private:
+	undefined m_unk0x1c[0x34]; // 0x1c
+};