memcheck/tests/strchr: Add a regression test output variant

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13720 a5019735-40e9-0310-863c-91ae7b9d1cf9
memcheck/tests/origin5-bz2: Add a regression test output file variant

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13721 a5019735-40e9-0310-863c-91ae7b9d1cf9