Add external/libgpg-error/undeclared-environ-macOS.patch from https://github.com/gpg/libgpg-error/commit/a59e902b887fd92337c9728f668cf9c89da3957a to fix spawn-posix.c:345:5: error: use of undeclared identifier 'environ' environ = act->environ; ^ 1 error generated. on macOS. Downloaded from https://gnupg.org/ftp/gcrypt/libgpg-error/libgpg-error-1.50.tar.bz2 Change-Id: Ica3a181626429da39651c29482326134ba25d556 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/169200 Tested-by: Jenkins Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
A small library that defines common error values for GnuPG components [https://www.gnupg.org/related_software/libgpg-error/index.html]