fixed typo found by Yichen
closes #366 (closed)
Fixes the SampleC bug (core/lattice/dgsampling.cpp) described at palisade-release#76 (closed).
Typo in the original paper: https://eprint.iacr.org/2017/308.pdf Figure 2: SampleD(sigma, c) should be "c := c+ z_{k-1}d".
Edited by Nicholas Genise