kselftest fixes for: 3.19
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Merge tag 'linux-kselftest-3.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"Fix exec test compile warnings"
* tag 'linux-kselftest-3.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/exec: Use %zu to format size_t
6ab1e8de9f