fcl-db: mysql: map UNSIGNED SMALLINT to ftWord fields. TestSupportWordFields

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25025 3ad0048d-3df7-0310-abae-a5850022a9f2
fcl-db: mysql: formatting (remove unused variables)

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25026 3ad0048d-3df7-0310-abae-a5850022a9f2