Fix an off by 1 error in the Linux Breakpad guid....

chrome/app/breakpad_linux.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 "chrome/app/breakpad_linux.h"
 
 #include <arpa/inet.h>
 #include <fcntl.h>
 #include <netinet/in.h>
 #include <stdlib.h>
@@ skipping 558 matching lines @@
 namespace child_process_logging {
 extern std::string active_url;
 }
 
 static bool
 RendererCrashHandler(const void* crash_context, size_t crash_context_size,
              void* context) {
   const int fd = reinterpret_cast<intptr_t>(context);
   int fds[2];
   socketpair(AF_UNIX, SOCK_STREAM, 0, fds);
-  char guid[kGuidSize] = {0};
+  char guid[kGuidSize + 1] = {0};
   char crash_url[kMaxActiveURLSize + 1] = {0};
   char distro[kDistroSize + 1] = {0};
   const size_t guid_len = std::min(google_update::linux_guid.size(),
                                    kGuidSize);
   const size_t crash_url_len =
       std::min(child_process_logging::active_url.size(), kMaxActiveURLSize);
   const size_t distro_len =
       std::min(base::linux_distro.size(), kDistroSize);
   memcpy(guid, google_update::linux_guid.data(), guid_len);
   memcpy(crash_url, child_process_logging::active_url.data(), crash_url_len);
@@ skipping 230 matching lines @@
 
   if (WIFSIGNALED(status) && WCOREDUMP(status)) {
     std::string core_filename;
     UploadCoreFile(child, &core_filename);
     unlink(core_filename.c_str());
   }
 
   rmdir(core_dump_directory.c_str());
 }
 #endif