use child_process.stdio instead of the deprecated customFds to spawn man

Feder1co5oave · Feder1co5oave · commit 4a2c62192af5 · 2018-01-15T02:22:41.000+01:00
diff --git a/bin/marked b/bin/marked
@@ -20,7 +20,7 @@ function help() {
     cwd: process.cwd(),
     env: process.env,
     setsid: false,
-    customFds: [0, 1, 2]
+    stdio: 'inherit'
   };
 
   spawn('man', [__dirname + '/../man/marked.1'], options)
