t/t0006: specify timezone as EST5 not EST to comply with POSIX
t/t0006: specify timezone as EST5 not EST to comply with POSIX

POSIX requires that both the timezone "standard" and "offset" be specified
in the TZ environment variable.  This causes a problem on IRIX which does
not understand the timezone 'EST'.

Signed-off-by: Brandon Casey <77bc9a9984e6786c5799d7a71768cf023120ef76@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git