Updated p5-DBI to 1.636.

Changes in DBI 1.636 - 24th April 2016

    Fix compilation for threaded perl <= 5.12 broken in 1.635 RT#113955
    Revert change to DBI::PurePerl DESTROY in 1.635
    Change t/16destroy.t to avoid race hazard RT#113951
    Output perl version and archname in t/01basics.t
    Add perl 5.22 and 5.22-extras to travis-ci config

(wiz)