doc: add missing require to example in http2.md

PR-URL: #21858 Reviewed-By: Gus Caplan <[email protected]> Reviewed-By: Rich Trott <[email protected]> Reviewed-By: Daijiro Wachi <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Vse Mozhet Byt <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>
nodejs · Jul 18, 2018 · 614c4c1 · 614c4c1
1 parent e406cca
commit 614c4c1
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/doc/api/http2.md b/doc/api/http2.md
@@ -1921,6 +1921,7 @@ instances.
 
 ```js
 const http2 = require('http2');
+const fs = require('fs');
 
 const options = {
   key: fs.readFileSync('server-key.pem'),