Fix build failure with Intel compiler on Linux
Fix build failure with Intel compiler on Linux

.../lib/src/Base/Stat/dsfmt.cxx(59): error: expression must have a constant value
    r ^= a ^ lshift_byte<dsfmt<M>::A>(a);
                         ^
          detected during:
            instantiation of "void tutils::detail::<unnamed>::twist<M>(tutils::uint64v2_t &, tutils::uint64v2_t &, const tutils::uint64v2_t &, const tutils::uint64v2_t &) [with M=607]" at line 194
            instantiation of "void tutils::detail::dsfmt<MEXP>::gen_rand_all() [with MEXP=607]" at line 59 of ".../lib/src/Base/Stat/dsfmt.h"

distcheck ok.

git-svn-id: a3fe1778d6df0e314222361e181d7c5c1fd94fad@3495 59136d6a-6dff-0310-91ca-bfc5db6e1932

sofianehaddad/ot-svn,sofianehaddad/ot-svn,sofianehaddad/ot-svn,sofianehaddad/ot-svn,sofianehaddad/ot-svn