add const qualifier to proj semi cone
add const qualifier to proj semi cone

zhmz90/scs,zhmz90/scs,robertwb/scs,ajfriend/scs,robertwb/scs,robertwb/scs,zhmz90/scs,zhmz90/scs,zhmz90/scs,zhmz90/scs,robertwb/scs,ajfriend/scs,robertwb/scs,robertwb/scs,ajfriend/scs,ajfriend/scs,ajfriend/scs,robertwb/scs,ajfriend/scs,zhmz90/scs,ajfriend/scs,cvxgrp/scs