Remove an unnecessary "if" block in maybe_add_string_va(). Commit "ad006fe419e trace2: NULL is not allowed for va_list" changed "if (fmt && *fmt && ap)" to just "if (fmt && *fmt)" because it isn't safe to treat 'ap' as a pointer. This made the "if" block following it unnecessary. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>