security/libgpg-error: Update to 1.51
Changelog: https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgpg-error.git;a=blob;f=NEWS;h=75f2b2d220de4e4f53252d3367950ecb2ab85079;hb=b0bb9266010d84b30fa2dc6a2127b7e40dc03660
PR: 283059 Approved by: portmgr (maintainer timeout, 2+ weeks)