Sqlite: Export TransactionInterface

Implementing the Database destructor was working around the non exported
TransactionInterface destructor.

Change-Id: Ia53ca95e7dc1141558adf65894b9c120fc88f4de
Reviewed-by: Ivan Donchevskii <ivan.donchevskii@qt.io>

src/libs/sqlite/sqlitedatabase.cpp

@@ -42,10 +42,6 @@ Database::Database(Utils::PathString &&databaseFilePath, JournalMode journalMode
     open(std::move(databaseFilePath));
 }
 
-Database::~Database()
-{
-}
-
 void Database::open()
 {
     m_databaseBackend.open(m_databaseFilePath, m_openMode);

src/libs/sqlite/sqlitedatabase.h

@@ -48,7 +48,6 @@ public:
 
     Database();
     Database(Utils::PathString &&databaseFilePath, JournalMode journalMode=JournalMode::Wal);
-    ~Database();
 
     Database(const Database &) = delete;
     bool operator=(const Database &) = delete;

src/libs/sqlite/sqlitetransaction.h

@@ -34,7 +34,7 @@ namespace Sqlite {
 class DatabaseBackend;
 class Database;
 
-class TransactionInterface
+class SQLITE_EXPORT TransactionInterface
 {
 public:
     TransactionInterface() = default;