Breakpad DWARF parser: Don't use auto_ptr<stack<uint64> > where stack<uint64> would do.
Breakpad DWARF parser: Don't use auto_ptr<stack<uint64> > where stack<uint64> would do.

Perhaps there once was some reason one needed the DIE offset stack to
have an unusual lifetime, but there is none now.

a=jimblandy, r=mmentovai


git-svn-id: 7939527bf0a06ad24ad020f729d5600cb42ed5d7@666 4c0a9323-5329-0410-9bdc-e9ce6186880e

bbcallen/google-breakpad,mhoran/google-breakpad,hkratz/breakpad_track_svn,colesbury/google-breakpad,bittorrent/breakpad,colesbury/google-breakpad,mhoran/google-breakpad,wesen/google-breakpad,Quiark/google-breakpad,bittorrent/breakpad,hkratz/breakpad_track_svn,mhoran/google-breakpad,mhoran/google-breakpad,hkratz/breakpad_track_svn,hkratz/breakpad_track_svn,hkratz/breakpad_track_svn,mhoran/google-breakpad,bbcallen/google-breakpad,bittorrent/breakpad,Quiark/google-breakpad,hkratz/breakpad_track_svn,wesen/google-breakpad,Quiark/google-breakpad,bittorrent/breakpad,Quiark/google-breakpad,wesen/google-breakpad,colesbury/google-breakpad,mhoran/google-breakpad,bbcallen/google-breakpad,bittorrent/breakpad,wesen/google-breakpad,colesbury/google-breakpad,Quiark/google-breakpad,bbcallen/google-breakpad,wesen/google-breakpad,bbcallen/google-breakpad,Quiark/google-breakpad,bittorrent/breakpad,wesen/google-breakpad,bbcallen/google-breakpad,colesbury/google-breakpad,colesbury/google-breakpad,bittorrent/breakpad