Make the bizinvoker, when not in compatibility mode, marshal bool returns as C++ would expect you to, and not winapi because fuck winapi

BizHawk.Common/BizInvoke/BizInvoker.cs

@@ -309,7 +309,10 @@ namespace BizHawk.Common.BizInvoke
 
 			il.Emit(OpCodes.Ldarg_0);
 			il.Emit(OpCodes.Ldfld, field);
-			il.EmitCalli(OpCodes.Calli, nativeCall, returnType, nativeParamTypes.ToArray());
+			il.EmitCalli(OpCodes.Calli, 
+				nativeCall, 
+				returnType == typeof(bool) ? typeof(byte) : returnType, // undo winapi style bool garbage
+				nativeParamTypes.ToArray());
 
 			if (monitorField != null) // monitor: finally exit
 			{