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) */
ref='/guix/'>guix</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='4bc2f09a024bddec40891efbacc130be5c002b4f'/><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=4bc2f09a024bddec40891efbacc130be5c002b4f'>refs</a><a class='active' href='/guix/log/gnu/tests/cups.scm'>log</a><a href='/guix/tree/gnu/tests/cups.scm?id=4bc2f09a024bddec40891efbacc130be5c002b4f'>tree</a><a href='/guix/commit/gnu/tests/cups.scm?id=4bc2f09a024bddec40891efbacc130be5c002b4f'>commit</a><a href='/guix/diff/gnu/tests/cups.scm?id=4bc2f09a024bddec40891efbacc130be5c002b4f'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/tests/cups.scm'>
<input type='hidden' name='id' value='4bc2f09a024bddec40891efbacc130be5c002b4f'/><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=4bc2f09a024bddec40891efbacc130be5c002b4f'>root</a>/<a href='/guix/log/gnu?id=4bc2f09a024bddec40891efbacc130be5c002b4f'>gnu</a>/<a href='/guix/log/gnu/tests?id=4bc2f09a024bddec40891efbacc130be5c002b4f'>tests</a>/<a href='/guix/log/gnu/tests/cups.scm?id=4bc2f09a024bddec40891efbacc130be5c002b4f'>cups.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/tests/cups.scm?id=4bc2f09a024bddec40891efbacc130be5c002b4f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-09-26 23:20:56 +0200'>2021-09-26</span></td><td><a href='/guix/commit/gnu/tests/cups.scm?id=89b05442933d92f4b21c3294455a498e8333727d'>tests: Reduce boilerplate for users of 'system-test-runner'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-09-25 18:52:05 +0200'>2021-09-25</span></td><td><a href='/guix/commit/gnu/tests/cups.scm?id=1fb75128a5202b406622da6272bc809c46d1f439'>tests: Adjust to SRFI-64 as found in Guile 3.0.7.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-03-02 23:39:44 +0100'>2020-03-02</span></td><td><a href='/guix/commit/gnu/tests/cups.scm?id=15a6805751309452616999933492f1fb9da8bcec'>gnu: Add system test for CUPS.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>