elinks: Update to version 0.18.0

elinks: Update to version 0.18.0

- Update from version 0.17.1.1 to 0.18.0
- Update of rootfile not required
- Changelog
    0.18.0
	* redirect also for 308 #343
	* ignore HUBBUB_UNKNOWN #344
    0.18.0rc1
	* drop combining compile time option
	* bump mozjs dependency to 128
	* console.assert (and extension console.exit)
	* test option for testing js code
	* added document.scripting_sleep_on_error option #319
	* skip hidden elements #341
	* fix linking -lexecinfo #337
	* Serbian translation update
	* Polish translation update
	* detect if gettext has _nl_msg_cat_cntr #325
	* added reopen-last-closed-tab action #309
	* added options for memory limits of Spidermonkey and QuickJS
	* gemini input #121
	* compilation fixes

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>