linux: fix gcc 4.3 issues (for arm)

third_party/libjingle/files/talk/base/stringencode.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 14 matching lines @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifdef WIN32
 #include <malloc.h>
 #endif  // WIN32
 #ifdef POSIX
 #include <alloca.h>
 #define _alloca alloca
 #endif  // POSIX
+#include <stdlib.h>
 
 #include "talk/base/basictypes.h"
 #include "talk/base/common.h"
 #include "talk/base/stringencode.h"
 #include "talk/base/stringutils.h"
 
 namespace talk_base {
 
 /////////////////////////////////////////////////////////////////////////////
 // String Encoding Utilities
@@ skipping 525 matching lines @@
   return 1;
 }
 
 int test = utf8_unittest();
 
 #endif  // _DEBUG
 
 /////////////////////////////////////////////////////////////////////////////
 
 }  // namespace talk_base