Traverse the entities hash's keys in sorted order to ensure reproducibility.

--- libhubbub-0.3.3/build/make-entities.pl
+++ libhubbub-0.3.3/build/make-entities.pl
@@ -86,7 +86,7 @@
 
 my $trie;
 
-foreach my $key (keys %entities) {
+foreach my $key (sort keys %entities) {
    $trie = insert_node($trie, $key, $entities{$key});
 }
 
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<tr><td><span title='2022-08-16 21:25:25 +0200'>2022-08-16</span></td><td><a href='/guix/commit/po/packages/Makevars?id=37cd5536797450e18ffd5a54595a3453a8a8154f'>ui: Describe package outputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/ui.scm (package-&gt;recutils): Output outputs with their descriptions,
one per line.
* po/packages/Makevars (XGETTEXT_OPTIONS): Add ‘output-synopsis’ as keyword.
</span></span></td><td>Liliana Marie Prikler</td></tr>
<tr><td><span title='2021-05-03 09:29:44 -0400'>2021-05-03</span></td><td><a href='/guix/commit/po/packages/Makevars?id=a23789bbbdd23b1130f0f2521ee8d68872b7fc2c'>nls: Do not update po files on first make invocation.</a><span class='msg-avail'>...<span class='msg-tooltip'>We need to update the minimal gettext version to take advantage of new
features.  Before this patch, the first make invocation would modify
po/guix and po/packages po files, and we advised to run `git checkout
po` to clean the changes.

* configure.ac (AM_GNU_GETTEXT_VERSION): Update to 0.19.1.
* po/guix/Makevars: Set PO_DEPENDS_ON_POT to no.
* po/packages/Makevars: Set PO_DEPENDS_ON_POT to no.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2020-09-29 15:40:25 +0200'>2020-09-29</span></td><td><a href='/guix/commit/po/packages/Makevars?id=ac324be105977d531928ef7da79483ae7a461b68'>nls: Fix copyright and bug address in pot files.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/guix/Makevars: Fix COPYRIGHT_HOLDER and MSGID_BUGS_ADDRESS.
* po/packages/Makevars: idem.
</span></span></td><td>Julien Lepiller</td></tr>