[ticket/11503] similar implementation for mssql_native and odbc

mssql_native and mssql_odbc db drivers varied at some places
where they should have been similar.

PHPBB3-11503
Merge remote-tracking branch 'dhruvgoel92/ticket/11503' into develop

* dhruvgoel92/ticket/11503:
  [ticket/11503] similar implementation for mssql_native and odbc