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

chrome/browser/renderer_host/render_crash_handler_host_linux.cc

Index: chrome/browser/renderer_host/render_crash_handler_host_linux.cc
===================================================================
--- chrome/browser/renderer_host/render_crash_handler_host_linux.cc	(revision 26495)
+++ chrome/browser/renderer_host/render_crash_handler_host_linux.cc	(working copy)
@@ -335,6 +335,9 @@
   HANDLE_EINTR(sendmsg(signal_fd, &msg, MSG_DONTWAIT | MSG_NOSIGNAL));
   HANDLE_EINTR(close(signal_fd));
 
+  // Sanitize the string data a bit more
+  guid[kGuidSize] = crash_url[kMaxActiveURLSize] = distro[kDistroSize] = 0;
+
   BreakpadInfo info;
   info.filename = minidump_filename.c_str();
   info.process_type = "renderer";