A third unsatisfied 2.1_r3 dependency: alpha sendmail --> libc6.1(>= 2.1)

[Philip Hands <phil@hands.com>]

The sendmail is 2.1_r2 on alpha depends on libc6.1(>= 2.1), which is
not in 2.1_r2.  Thus is not good.

Cheers, Phil.