Sqlite: Add excute to the database

To execute some simple pragmas etc..

Change-Id: Iaa74406a182897dd55ee3ee8dc4d4b94bb8a8e11
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/libs/sqlite/sqlitedatabase.cpp

@@ -105,6 +105,11 @@ int SqliteDatabase::totalChangesCount()
     return m_databaseBackend.totalChangesCount();
 }
 
+void SqliteDatabase::execute(Utils::SmallStringView sqlStatement)
+{
+    m_databaseBackend.execute(sqlStatement);
+}
+
 void SqliteDatabase::initializeTables()
 {
     for (SqliteTable *table: tables())