Fix file descriptor leaks in linux CrashGenerationServer

src/client/linux/crash_generation/crash_generation_server.cc

 // Copyright (c) 2010 Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 105 matching lines @@
   assert(pthread_self() != thread_);
 
   if (!started_)
     return;
 
   HANDLE_EINTR(write(control_pipe_out_, &kCommandQuit, 1));
 
   void* dummy;
   pthread_join(thread_, &dummy);
 
+  close(control_pipe_in_);
+  close(control_pipe_out_);
+
   started_ = false;
 }
 
 //static
 bool
 CrashGenerationServer::CreateReportChannel(int* server_fd, int* client_fd)
 {
   int fds[2];
 
   if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, fds))
@@ skipping 185 matching lines @@
 
 // static
 void*
 CrashGenerationServer::ThreadMain(void *arg)
 {
   reinterpret_cast<CrashGenerationServer*>(arg)->Run();
   return NULL;
 }
 
 }  // namespace google_breakpad