gssapi.c: Simplified the function.

Removed the parameters that were common to all our invocation.

lib/http_negotiate.c

@@ -240,18 +240,11 @@ int Curl_input_negotiate(struct connectdata *conn, bool proxy,
   }
 
   major_status = Curl_gss_init_sec_context(&minor_status,
-                                           GSS_C_NO_CREDENTIAL,
                                            &neg_ctx->context,
                                            neg_ctx->server_name,
-                                           GSS_C_NO_OID,
-                                           GSS_C_MUTUAL_FLAG
-                                           | GSS_C_REPLAY_FLAG,
-                                           0,
                                            GSS_C_NO_CHANNEL_BINDINGS,
                                            &input_token,
-                                           NULL,
                                            &output_token,
-                                           NULL,
                                            NULL);
   if(input_token.length > 0)
     gss_release_buffer(&minor_status2, &input_token);