http2: adjusted to newer nghttp2_session_callbacks struct

the number of elements in the 'nghttp2_session_callbacks' structure is now reduced by 2 in version 0.3.0 (I'm not sure when the change happened, but checking for ver 0.3.0 work for me).

http2: adjusted to newer nghttp2_session_callbacks struct
341d09bc · Gisle Vanem · Daniel Stenberg · 0070f7a0 · 341d09bc
Commit 341d09bc authored 11 years ago by Gisle Vanem Committed by Daniel Stenberg 11 years ago
--- a/lib/http2.c
+++ b/lib/http2.c
@@ -141,8 +141,6 @@ static const nghttp2_session_callbacks callbacks = {
  NULL,
  NULL,
  NULL,
-  NULL,
-  NULL,
  NULL
 };