configure: Fix previous commit & implement AC_C_TYPEOF ourself. RHEL5's autoconf was old enough to not have AC_C_TYPEOF.
configure: Fix previous commit & implement AC_C_TYPEOF ourself.
RHEL5's autoconf was old enough to not have AC_C_TYPEOF.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot