Silence a few warnings issued by GCC 5.1 claiming that 'res' is
uninitialised. Perhaps an incorrect clobber or a compiler bug? 
Anyhow, initialising the variable will do the trick.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15471 a5019735-40e9-0310-863c-91ae7b9d1cf9
1 file changed