http2 hpack basic decode ok including huff

Signed-off-by: Andy Green <andy.green@linaro.org>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 59d6c3a..f7fc82b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -296,6 +296,7 @@
 if (LWS_WITH_HTTP2)
 	list(APPEND SOURCES
 		lib/http2.c
+		lib/hpack.c
 		lib/ssl-http2.c
 		)
 endif()