doc(wiki): Updated "binding.gyp" files out in the wild (markdown)

Author: rvagg

"binding.gyp"-files-out-in-the-wild.md

@@ -44,4 +44,5 @@ To add to this page, just add the link to the project's `binding.gyp` file below
  * [Ghostscript4JS](https://github.com/NickNaso/ghostscript4js/blob/master/binding.gyp)
  * [nodecv](https://github.com/xudafeng/nodecv/blob/master/binding.gyp)
  * [magick-cli](https://github.com/NickNaso/magick-cli/blob/master/binding.gyp)
- * [sharp](https://github.com/lovell/sharp/blob/master/binding.gyp)
+ * [sharp](https://github.com/lovell/sharp/blob/master/binding.gyp)
+ * [krb5](https://github.com/adaltas/node-krb5/blob/master/binding.gyp)