commit 957abacf9920a42becdf1935d14ca48d260bb8e7 (HEAD, tag: v1.39.2, origin/v1.39.x, origin/HEAD, v1.39.x)
Author:     Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
AuthorDate: 2019-08-13
Commit:     Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
CommitDate: 2019-08-13

    Bump up version number to 1.39.2, LT revision to 32:0:18

commit 83d362c6d21f76599b86e7b94cd1992288a1d43c
Author:     Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
AuthorDate: 2019-06-25
Commit:     Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
CommitDate: 2019-08-13

    Don't read too greedily

commit a76d0723b5f52902139ff453e0ec840673e86e75
Author:     Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
AuthorDate: 2019-06-25
Commit:     Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
CommitDate: 2019-08-13

    Add nghttp2_option_set_max_outbound_ack

commit db2f612a30d54aa152ce5530fa1d683738baa4d1
Author:     Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
AuthorDate: 2019-08-06
Commit:     Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
CommitDate: 2019-08-13

    nghttpx: Fix request stall
    
    Fix request stall if backend connection is reused and buffer is full.
