[do_sqlserver] Fix URI config for specs, append semicolon
[do_sqlserver] Fix URI config for specs, append semicolon

* Without the semicolon, it looks as though the encoding
  parameter is not actually getting passed to the JDBC Driver.

Signed-off-by: Alex Coles <60c6d277a8bd81de7fdde19201bf9c58a3df08f4@alexcolesportfolio.com>

simonkro/do_mysql,simonkro/do_mysql,simonkro/do_mysql