Don't try and validate the contents of the environment passed to
the execve system call if the envp pointer is null as it causes
valgrind to die with a segmentation fault.

CCMAIL: 83573-done@bugs.kde.org


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2427 a5019735-40e9-0310-863c-91ae7b9d1cf9
6 files changed