reverse the order as a value needs to be there before operator is set, see eef81b2

Author: ylafon

org/w3c/css/properties/css3/CssWhiteSpace.java

@@ -120,8 +120,8 @@ public CssWhiteSpace(ApplContext ac, CssExpression expression, boolean check)
                 if (trimexp == null) {
                     trimexp = new CssExpression();
                 }
-                trimexp.setOperator(op);
                 trimexp.addValue(val);
+                trimexp.setOperator(op);
             } else {
                 // nothing we know...
                 throw new InvalidParamException("value",