linux: fix gcc 4.3 issues (for arm)

third_party/libjingle/files/talk/base/host.cc

 /*
  * libjingle
  * Copyright 2004--2005, Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without 
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice, 
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 10 matching lines @@
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <string>
 #include <iostream>
 #include <cassert>
+#include <cstdlib>
 #include <errno.h>
 
 #ifdef POSIX
 extern "C" {
 #include <sys/utsname.h>
 }
 #endif // POSIX
 
 #include "talk/base/host.h"
 #include "talk/base/logging.h"
@@ skipping 50 matching lines @@
                                     SocketAddress::StringToIP("127.0.0.1")));
 #endif
     gLocalHost = new Host(GetHostName(), networks);
     assert(gLocalHost->networks().size() > 0);
   }
 
   return *gLocalHost;
 }
 
 } // namespace talk_base