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='2021-07-15 10:15:26 +0300'>2021-07-15</span></td><td><a href='/guix/commit/gnu/packages/xiph.scm?id=f8e544445ffdfc4ea6fc1192e9403fb9c95f8c53'>gnu: libogg: Update to 1.3.5.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/xiph.scm (libogg): Update to 1.3.5.

Signed-off-by: Efraim Flashner &lt;efraim@flashner.co.il&gt;
</span></span></td><td>Matthew James Kraai</td></tr>
<tr><td><span title='2021-06-04 15:08:35 +0200'>2021-06-04</span></td><td><a href='/guix/commit/gnu/packages/xiph.scm?id=29745d23b87529275a677ee7962b0405594e84db'>gnu: Use define-public in (gnu packages xiph).</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/pakages/xiph.scm: Replace all manual package #:exports with
define-public.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Brendan Tildesley</td></tr>