Upstream fix for compiling of breakpad with gcc-4.6.  Remove an unnecessary "const" that causes an error with the newer gcc.
Upstream fix for compiling of breakpad with gcc-4.6.  Remove an unnecessary
"const" that causes an error with the newer gcc.

BUG=chromium-os:14973
TEST=Built CrOS's google-breakpad

Patch by Michael Krebs <mkrebs@chromium.org>


git-svn-id: 7939527bf0a06ad24ad020f729d5600cb42ed5d7@878 4c0a9323-5329-0410-9bdc-e9ce6186880e

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