fix: fix Webpack build

Author: bugwheels94

dist/browser/math-expression-evaluator.js

@@ -1,4 +1,14 @@
-/******/ (() => { // webpackBootstrap
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define([], factory);
+	else if(typeof exports === 'object')
+		exports["Mexp"] = factory();
+	else
+		root["Mexp"] = factory();
+})(self, function() {
+return /******/ (() => { // webpackBootstrap
 /******/ 	var __webpack_modules__ = ({
 
 /***/ 28:
@@ -993,5 +1003,7 @@ module.exports=Mexp;
 /******/ 	// This entry module is referenced by other modules so it can't be inlined
 /******/ 	var __webpack_exports__ = __webpack_require__(28);
 /******/ 	
+/******/ 	return __webpack_exports__;
 /******/ })()
-;
+;
+});