Changes to fix build warnings on newer versions of GCC, and a fix to not try to open certain mapped files.

A=ZhurunZ, Tristan Schmelcher
R=nealsid



git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@593 4c0a9323-5329-0410-9bdc-e9ce6186880e
3 files changed