* test/serf_get.c:   (print_certs): add a const to avoid a compiler warning
* test/serf_get.c:
  (print_certs): add a const to avoid a compiler warning

idomon/serf,justinweb/serf,Manouchehri/serf,krime/serf,wzugang/serf,krime/serf,muthusuba/serf,muthusuba/serf,blueszhangsh/serf,wzugang/serf,justinweb/serf,wzugang/serf,Manouchehri/serf,sworda/serf,justinweb/serf,idomon/serf,Manouchehri/serf,TommyU/serf,krime/serf,blueszhangsh/serf,liuzongquan/serf,muthusuba/serf,muthusuba/serf,blueszhangsh/serf,idomon/serf,krime/serf,TommyU/serf,sworda/serf,justinweb/serf,idomon/serf,liuzongquan/serf,TommyU/serf,TommyU/serf,blueszhangsh/serf,sworda/serf,liuzongquan/serf,liuzongquan/serf,Manouchehri/serf,sworda/serf,wzugang/serf