schnee effeckt und fehler Korektur

node_modules/gifsicle/cli.js

@@ -1,9 +1,6 @@
 #!/usr/bin/env node
 'use strict';
-var spawn = require('child_process').spawn;
-var gifsicle = require('./');
+const execa = require('execa');
+const m = require('.');
 
-var input = process.argv.slice(2);
-
-spawn(gifsicle, input, {stdio: 'inherit'})
-	.on('exit', process.exit);
+execa(m, process.argv.slice(2), {stdio: 'inherit'});