Fix identaton (replace tabs with spaces)

This commit replaces tabs which were introduced in 17369b6 with spaces

src/sqlitetablemodel.cpp

@@ -419,7 +419,7 @@ bool SqliteTableModel::removeRows(int row, int count, const QModelIndex& parent)
     }
     if(!m_db->deleteRecords(m_sTable, rowids))
     {
-	ok = false;
+        ok = false;
     }
 
     endRemoveRows();