Fix LegoOmni vtable (#140)

LEGO1/mxdsaction.cpp

@@ -3,6 +3,8 @@
 #include <float.h>
 #include <limits.h>
 
+#include "mxomni.h"
+
 DECOMP_SIZE_ASSERT(MxDSAction, 0x94)
 
 // GLOBAL OFFSET: LEGO1 0x10101410
@@ -215,6 +217,9 @@ MxLong MxDSAction::GetSomeTimingField()
   return this->m_someTimingField;
 }
 
+// Win32 defines GetCurrentTime to GetTickCount
+#undef GetCurrentTime
+
 // OFFSET: LEGO1 0x100adcd0
 MxLong MxDSAction::GetCurrentTime()
 {