Fix build.
Fix build.

* auth/auth_spnego_gss.c
  (serf__spnego_create_sec_context): Fix function definition to match its
       declaration.

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