[ublas] typo in norm_2

Subject: [ublas] typo in norm_2
From: Neal Becker (ndbecker2_at_[hidden])
Date: 2009-12-18 07:15:15

Section 5.1.1 says:
// norm_2 v = sqrt (sum (v [i] * v [i]))

Should be norm_2 v = sqrt (sum (v [i] * conj(v [i])))