Explicitly ignore return value of sk_SSL_COMP_delete.

net/tools/flip_server/flip_in_mem_edsm_server.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <dirent.h>
 #include <netinet/tcp.h>  // For TCP_NODELAY
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <unistd.h>
 #include <openssl/err.h>
@@ skipping 235 matching lines @@
   SSL_CTX_set_mode(state->ssl_ctx, SSL_MODE_RELEASE_BUFFERS);
 #endif
 
   // Proper methods to disable compression don't exist until 0.9.9+. For now
   // we must manipulate the stack of compression methods directly.
   if (g_proxy_config.ssl_disable_compression_) {
     STACK_OF(SSL_COMP) *ssl_comp_methods = SSL_COMP_get_compression_methods();
     int num_methods = sk_SSL_COMP_num(ssl_comp_methods);
     int i;
     for (i = 0; i < num_methods; i++) {
-      sk_SSL_COMP_delete(ssl_comp_methods, i);
+      static_cast<void>(sk_SSL_COMP_delete(ssl_comp_methods, i));
     }
   }
 }
 
 SSL* spdy_new_ssl(SSL_CTX* ssl_ctx) {
   SSL* ssl = SSL_new(ssl_ctx);
   PrintSslError();
 
   SSL_set_accept_state(ssl);
   PrintSslError();
@@ skipping 2886 matching lines @@
       for (unsigned int i = 0; i < sm_worker_threads_.size(); ++i) {
         sm_worker_threads_[i]->Join();
       }
       return 0;
     }
     usleep(1000*10);  // 10 ms
   }
 
   return 0;
 }