Stacks (still) truncated on win32 (#165).  Patch by Benjamin Smedberg.  r=me
Stacks (still) truncated on win32 (#165).  Patch by Benjamin Smedberg.  r=me

Don't require a program string to reset %ebp, as not all program strings
set this value.

http://groups.google.com/group/google-breakpad-dev/browse_thread/thread/ee4854ae7ffce94e


git-svn-id: 7939527bf0a06ad24ad020f729d5600cb42ed5d7@163 4c0a9323-5329-0410-9bdc-e9ce6186880e

mikewied/breakpad,mikewied/breakpad,mikewied/breakpad,mikewied/breakpad,mikewied/breakpad,mikewied/breakpad