Fix return

Author: cseufert

src/parser/function.js

@@ -266,9 +266,8 @@ module.exports = {
  } else if (this.token === this.tok.T_PRIVATE) {
  this.next();
  return MODIFIER_PRIVATE;
- } else {
- 0;
- }
+ } 
+ return 0;
  },
  /**
  * Reads a list of arguments