Change Details

Borrowed from the PR -- ``` $ valgrind --suppressions=contrib/valgrind.supp src/test/test_bitcoin $ valgrind --suppressions=contrib/valgrind.supp src/bench/bitcoin-bench -evals=1 \ -scaling=0.0 ```

Borrowed from the PR -- ``` valgrind --suppressions=contrib/valgrind.supp src/test/test_bitcoin valgrind --suppressions=contrib/valgrind.supp src/bench/bitcoin-bench -evals=1 -scaling=0.0 ```

Borrowed from the PR -- ``` $ valgrind --suppressions=contrib/valgrind.supp src/test/test_bitcoin $ valgrind --suppressions=contrib/valgrind.supp src/bench/bitcoin-bench -evals=1 \ -scaling=0.0 ```