t0005: work around strange $? in ksh when program terminated by a signal
ksh93 is known to report $? of programs that terminated by a signal as 256 + signal number instead of 128 + signal number like other POSIX compliant shells (ksh's behavior is still POSIX compliant in this regard).
Signed-off-by: Johannes Sixt <firstname.lastname@example.org> Signed-off-by: Junio C Hamano <email@example.com>