sendmail: fix parsing of addresses in angle brackets

Pointer e needs to be wound back in order to overwrite '>' with '\0'.
Regression introduced in 20077c1429

Signed-off-by: Raffaello D. Di Napoli <rafdev@dinapo.li>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
1 file changed