* Allow compilation with unicode rtl

src/wasm/fresnel.wasm.shared.pp

@@ -5,7 +5,11 @@ unit fresnel.wasm.shared;
 interface
 
 uses
+  {$IFDEF FPC_DOTTEDUNITS}
+  System.Classes, System.SysUtils;
+  {$ELSE}
   Classes, SysUtils;
+  {$ENDIF}
 
 const
   CanvasMsgSize = 4;