Fix parsing for U+2028 / U+2029

(they should be treated as whitespace)

lib/parse.js

@@ -298,7 +298,8 @@ function tokenizer($TEXT, filename, html5_comments) {
     };
 
     function skip_whitespace() {
-        while (WHITESPACE_CHARS(peek()))
+        var ch;
+        while (WHITESPACE_CHARS(ch = peek()) || ch == "\u2028" || ch == "\u2029")
             next();
     };