sql-indent.el (sqlind-search-backward): use
sqlind-same-level-statement to check if the position is at the
same nesting level as the start
(sqlind-same-level-statement): fix to check that the point has the
same nesting, in-comment and in-string status as start.
sqlind-same-level-statement
to check if the position is at the same nesting level as the start (sqlind-same-level-statement): fix to check that the point has the same nesting, in-comment and in-string status as start.