Regenerate src/parser.js

Forgot to do it in f8b5e04bba.

lib/parser.js

@@ -260,9 +260,10 @@ module.exports = (function() {
         peg$c97 = { type: "literal", value: "-", description: "\"-\"" },
         peg$c98 = function(begin, end) {
               if (begin.data.charCodeAt(0) > end.data.charCodeAt(0)) {
-                throw new this.SyntaxError(
+                error(
                   "Invalid character range: " + begin.rawText + "-" + end.rawText + "."
                 );
+                return;
               }
 
               return {