Fix: OP_FORLOOP (close upvalues)

src/Lua/Runtime/LuaVirtualMachine.cs

@@ -761,6 +761,7 @@ public static partial class LuaVirtualMachine
                     }
                 case OpCode.ForLoop:
                     {
+                        state.CloseUpValues(thread, RA);
                         stack.EnsureCapacity(RA + 4);
 
                         // TODO: add error message