agent: New option --change-std-env-name.
* common/session-env.c (stdenvnames): Add field "disabled". (INITIAL_ARRAYSIZE): Increase size a bit. (session_env_mod_stdenvnames): New. (session_env_list_stdenvnames): Handle the disabled flag. * agent/gpg-agent.c (oChangeStdEnvName): New. (opts): Add --change-std-env-name. (main): Implement option.
- GnuPG-bug-id: T7522