- Update to 1.7:
* The npth-config command is not installed by default, because it is
now replaced by use of pkg-config/gpgrt-config with npth.pc.
Supply --enable-install-npth-config configure option, if needed.
* Support for legacy systems w/o pthread_rwlock_t support. [T4306]
* New functions npth_poll and npth_ppoll for Unix. [T5748]
* Fixes to improve support for 64 bit Windows.
* Fix declaration conflict using newer mingw versions. [T5889]
* Fix build problems on Solaris 11. [T4491]
* Fix detecting of the pthread library. [rPTH6629a4b801]
* Clean up handling of unsafe semaphores on AIX. [T6947]
* Link without -flat_namespace to support macOS 11. [T5610]
* Release-info: https://dev.gnupg.org/T7010
* Update spec file
* Update upstream npth.keyring