Copied from Debian.

From: Santiago Vila <sanvila@debian.org>
Subject: zipinfo.c: Do not crash when hostver byte is >= 100

--- a/zipinfo.c
+++ b/zipinfo.c
@@ -2114,7 +2114,7 @@
             else
                 attribs[9] = (xattr & UNX_ISVTX)? 'T' : '-';  /* T==undefined */
 
-            sprintf(&attribs[12], "%u.%u", hostver/10, hostver%10);
+            sprintf(&attribs[11], "%2u.%u", hostver/10, hostver%10);
             break;
 
     } /* end switch (hostnum: external attributes format) */
guix/'>guix</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='ab99ef659b01ca4a80a5274d8c0fffe73006960c'/><select name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=ab99ef659b01ca4a80a5274d8c0fffe73006960c'>refs</a><a class='active' href='/guix/log/gnu/artwork.scm'>log</a><a href='/guix/tree/gnu/artwork.scm?id=ab99ef659b01ca4a80a5274d8c0fffe73006960c'>tree</a><a href='/guix/commit/gnu/artwork.scm?id=ab99ef659b01ca4a80a5274d8c0fffe73006960c'>commit</a><a href='/guix/diff/gnu/artwork.scm?id=ab99ef659b01ca4a80a5274d8c0fffe73006960c'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/artwork.scm'>
<input type='hidden' name='id' value='ab99ef659b01ca4a80a5274d8c0fffe73006960c'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=ab99ef659b01ca4a80a5274d8c0fffe73006960c'>root</a>/<a href='/guix/log/gnu?id=ab99ef659b01ca4a80a5274d8c0fffe73006960c'>gnu</a>/<a href='/guix/log/gnu/artwork.scm?id=ab99ef659b01ca4a80a5274d8c0fffe73006960c'>artwork.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/artwork.scm?id=ab99ef659b01ca4a80a5274d8c0fffe73006960c&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-06-10 23:11:07 +0200'>2019-06-10</span></td><td><a href='/guix/commit/gnu/artwork.scm?id=226a3605d6cabeb71247a732a99d625c9cfafa74'>artwork: Update snapshot to 2f2fe74.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/artwork.scm (%artwork-repository): Update to 2f2fe74.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Diego Nicola Barbato</td></tr>
<tr><td><span title='2019-03-05 23:08:53 +0100'>2019-03-05</span></td><td><a href='/guix/commit/gnu/artwork.scm?id=5387971a9ecf511e1dbbac992af3808437e58d56'>artwork: Update snapshot to b975164.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/artwork.scm (%artwork-repository): Update to b975164.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-02-10 23:25:01 +0100'>2019-02-10</span></td><td><a href='/guix/commit/gnu/artwork.scm?id=5e6a5aeebd7b735e5d5f2eed496cc1c7e8a5b4c9'>artwork: Update snapshot to e951905.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/artwork.scm (%artwork-repository): Update to e951905.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-11-05 00:08:47 +0100'>2018-11-05</span></td><td><a href='/guix/commit/gnu/artwork.scm?id=688d1a01e45eb1277a6337987bfd53f3fe3caaec'>artwork: Clone over HTTPS.</a><span class='msg-avail'>...<span class='msg-tooltip'>Suggested by Leo Famulari &lt;leo@famulari.name&gt;
at &lt;https://lists.gnu.org/archive/html/help-guix/2018-11/msg00039.html&gt;.

* gnu/artwork.scm (%artwork-repository): Switch to HTTPS URL.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-06-07 15:58:16 -0400'>2017-06-07</span></td><td><a href='/guix/commit/gnu/artwork.scm?id=94db92f78ec9c849f9c8da05d4d35356909f9fbe'>artwork: Use a descriptive name for the source directory.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/artwork.scm (%artwork-repository): Set a descriptive file-name and
use the full commit hash when fetching.
</span></span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2015-05-07 23:11:23 +0200'>2015-05-07</span></td><td><a href='/guix/commit/gnu/artwork.scm?id=cf2abac8ec07ca421393df755211779b60739ae6'>artwork: Update to latest version.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/artwork.scm (%artwork-repository): Update.
* gnu/services/xorg.scm (%default-slim-theme-name): Change to "0.x".
* gnu/system/grub.scm (%background-image): Change to
  GuixSD-fully-black-4-3.svg.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-02-24 23:43:03 +0100'>2015-02-24</span></td><td><a href='/guix/commit/gnu/artwork.scm?id=a4d8c40f7d3d5002a307b80cfe516474ea10d19f'>artwork: Update to latest GRUB image.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/artwork.scm (%artwork-repository): Update to newer snapshot.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-02-12 23:43:18 +0100'>2015-02-12</span></td><td><a href='/guix/commit/gnu/artwork.scm?id=9c09760a780d741ce39df984fc30ef728adf4d5b'>artwork: Update snapshot to GuixSD branding.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/artwork.scm (%artwork-repository): Update to new "GuixSD"
  branding.
* gnu/system/grub.scm (%background-image, %default-theme): Adjust
  accordingly.
</span></span></td><td>Ludovic Courtès</td></tr>