jscript: Support type conversion to VT_UI2.

dlls/jscript/jsutils.c

@@ -894,6 +894,14 @@ HRESULT variant_change_type(script_ctx_t *ctx, VARIANT *dst, VARIANT *src, VARTY
         }
         break;
     }
+    case VT_UI2: {
+        UINT32 i;
+
+        hres = to_uint32(ctx, val, &i);
+        if(SUCCEEDED(hres))
+            V_UI2(dst) = i;
+        break;
+    }
     case VT_R8: {
         double n;
         hres = to_number(ctx, val, &n);

dlls/jscript/tests/caller.c

@@ -136,6 +136,9 @@ static void test_change_type(IVariantChangeType *change_type, VARIANT *src, cons
     call_change_type(change_type, &v, src, VT_I4);
     ok(V_I4(&v) == ex->int_result, "V_I4(v) = %d, expected %d\n", V_I4(&v), ex->int_result);
 
+    call_change_type(change_type, &v, src, VT_UI2);
+    ok(V_UI2(&v) == (UINT16)ex->int_result, "V_UI2(v) = %u, expected %u\n", V_UI2(&v), (UINT16)ex->int_result);
+
     call_change_type(change_type, &v, src, VT_BSTR);
     ok(!strcmp_wa(V_BSTR(&v), ex->str_result), "V_BSTR(v) = %s, expected %s\n", wine_dbgstr_w(V_BSTR(&v)), ex->str_result);
     VariantClear(&v);