Followup to VEX r2742 which eliminates IRExprP__VECRET and IRExprP__BBPTR
and adds Iex_VECRET and Iex_BBPTR.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13498 a5019735-40e9-0310-863c-91ae7b9d1cf9
Avoid a compiler warning.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13499 a5019735-40e9-0310-863c-91ae7b9d1cf9