FYI/BRANCH: Patches applied to branch gdb-8.3-branch

[Joel Brobecker]

Hello,

FYI, I am about to push the following couple of commits to
(the) gdb-8.3-branch.

 * [release/branch 1/2] Document the GDB 8.2.91 release in gdb/ChangeLog
 * [release/branch 2/2] Bump GDB version number to 8.2.91.DATE-git.

Thanks,
-- 
Joel