Untyped pointers godegen changed. addr expression fixed.

compiler/jsgen.nim

@@ -136,7 +136,7 @@ proc mapType(typ: PType): TJSTypeKind =
       result = etyBaseIndex
   of tyPointer:
     # treat a tyPointer like a typed pointer to an array of bytes
-    result = etyInt
+    result = etyBaseIndex
   of tyRange, tyDistinct, tyOrdinal, tyConst, tyMutable, tyIter, tyProxy:
     result = mapType(t.sons[0])
   of tyInt..tyInt64, tyUInt..tyUInt64, tyEnum, tyChar: result = etyInt