nghttp2 v1.40.0
Bump up version number to 1.39.2, LT revision to 32:0:18
nghttp2 v1.39.1
nghttp2 v1.39.0
nghttp2 v1.38.0
nghttp2 v1.37.0
nghttp2 v1.36.0
nghttp2 v1.35.1
nghttp2 v1.35.0
nghttp2 v1.34.0