ADO getRSConcurr(): translate ADO LockTypeEnum into our css::sdbc::RSConcurr

That code was there since the beginning, but unreachable.
Consequent cleanup removed it.

Change-Id: I2564038ce58d7aff3860f154acac37266c155146

connectivity/source/drivers/ado/AStatement.cxx

@@ -509,7 +509,19 @@ sal_Int32 OStatement_Base::getMaxRows() const throw(SQLException, RuntimeExcepti
 //------------------------------------------------------------------------------
 sal_Int32 OStatement_Base::getResultSetConcurrency() const throw(SQLException, RuntimeException)
 {
-    return m_eLockType;
+    sal_Int32 nValue;
+
+    switch(m_eLockType)
+    {
+        case adLockReadOnly:
+            nValue = ResultSetConcurrency::READ_ONLY;
+            break;
+        default:
+            nValue = ResultSetConcurrency::UPDATABLE;
+            break;
+    }
+
+    return nValue;
 }
 //------------------------------------------------------------------------------
 sal_Int32 OStatement_Base::getResultSetType() const throw(SQLException, RuntimeException)