`dash-docs-search` fails with `cannot open "''"`

[flexibeast]

Context: Gentoo, Emacs 28.3, dash-docs-20210830.926, sqlite3 version 3.41.2 2023-03-22

dash-docs-search fails with the error cannot open "''" unless the dash-docs-sql function is modified such that the line:

"-list" "-init" "''" db-path sql)

is replaced by

"-list" db-path sql)