Release info for libgpg-error.
Noteworthy changes in version 1.37 (2020-02-07) [C28/A28/R0]
* Fixes a build problems when using Gawk 5.0 [T4459]
* Fixes Bourne shell incompatibilities on Solaris. [T4574]
* Improves cross-comiling support. [T4643]
* On Windows strerror_s is now used to emulate strerror_r. [T4539]
* New error codes to map SQLite primary error codes.
* Now uses poll(2) instead of select(2) in gpgrt_poll if possible.
* Fixes a bug in gpgrt_close. [T4698]
* Fixes build problem under Cygwin. [T4474]
* Fixes a few minor portability bugs.