gnucash-htdocs master: Update php-gettext to latest Debian patch.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-htdocs/commit/aaaf2699 (commit)
	from  https://github.com/Gnucash/gnucash-htdocs/commit/9dae2198 (commit)



commit aaaf269954707f346fd45e8cf7b7ac2793d2f24a
Author: John Ralls <jralls at ceridwen.us>
Date:   Fri Mar 31 14:18:58 2023 -0700

    Update php-gettext to latest Debian patch.
    
    Fixes CVE-2016-6175, among other things.



Summary of changes:
 externals/gettext.inc | 93 ++++++++++++++++++++++++++-------------------------
 externals/gettext.php | 86 +++++++++++++++++------------------------------
 externals/streams.php |  6 ++--
 3 files changed, 81 insertions(+), 104 deletions(-)