then calls gettext().
Add U_ macro that calls warning_gettext() instead of gettext().
Rename warning2()/error2() back to warning_nodebug()/error_nodebug().
regardless of whether or not it is ignored by the underlying command
since there's no way to know what signal handlers the command will
install. Now we just use sudo_sigaction() to set a flag in
saved_signals[] to indicate whether a signal needs to be restored
before exec.
wrapper that has an extra flag to check the saved_signals list to
only install the handler if the signal is not already ignored.
Bump plugin API version for the new front-end signal behavior.
