h2c.html: update to current github URL

Author: bagder

h2c.html

@@ -58,6 +58,6 @@ <h2>Privacy</h2>
  yourself locally.
 
 <hr>
- <a href="https://github.com/bagder/h2c">h2c on github</a>
+ <a href="https://github.com/curl/h2c">h2c on github</a>
 
-<a href="https://github.com/bagder/h2c"><img style="position: absolute; top: 0; left: 0; border: 0;" src="https://camo.githubusercontent.com/82b228a3648bf44fc1163ef44c62fcc60081495e/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f6c6566745f7265645f6161303030302e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_left_red_aa0000.png"></a>
+<a href="https://github.com/curl/h2c"><img style="position: absolute; top: 0; left: 0; border: 0;" src="https://camo.githubusercontent.com/82b228a3648bf44fc1163ef44c62fcc60081495e/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f6c6566745f7265645f6161303030302e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_left_red_aa0000.png"></a>