fcl-json: clean up

packages/fcl-json/tests/testjson.lpi

@@ -72,6 +72,9 @@
         <TrashVariables Value="True"/>
       </Debugging>
     </Linking>
+    <Other>
+      <CustomOptions Value="-tunicodertl"/>
+    </Other>
   </CompilerOptions>
   <Debugging>
     <Exceptions Count="2">