- When a shared library argument is supplied, it's checked for an OS
specific directory separator.  The expected error is different
depending on the separator used. Created OS specific versions of these
tests.


mysql-test/r/ps.result:
  Bug#23983 ps.test fails to open shared library.
  - Moving to OS specific results.
mysql-test/r/windows.result:
  Bug#23983 ps.test fails to open shared library.
  - OS Specific result for shared library argument with path
mysql-test/t/ps.test:
  Bug#23983 ps.test fails to open shared library.
  - Moving to OS specific tests.
mysql-test/t/windows.test:
  Bug#23983 ps.test fails to open shared library.
  - OS Specific test for shared library argument with path
mysql-test/r/ps_not_windows.result:
  Bug#23983 ps.test fails to open shared library.
  - OS Specific result for shared library argument with path
mysql-test/t/ps_not_windows.test:
  Bug#23983 ps.test fails to open shared library.
  - OS Specific test for shared library argument with path