This patch adds an include needed since icu59:
Source: https://git.archlinux.org/svntogit/community.git/plain/trunk/icu59.patch?h=packages/aegisub
--- aegisub-3.2.2/src/utils.cpp	2014-12-08 02:07:09.000000000 +0200
+++ aegisub-3.2.2/src/utils.cpp	2017-04-26 11:11:15.438239182 +0300
@@ -44,6 +44,7 @@
 #include <boost/filesystem/path.hpp>
 #include <map>
 #include <unicode/locid.h>
+#include <unicode/unistr.h>
 #include <wx/clipbrd.h>
 #include <wx/filedlg.h>
 #include <wx/stdpaths.h>
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<tr><td><span title='2024-10-02 17:33:14 +0800'>2024-10-02</span></td><td><a href='/guix/commit/gnu/packages/clifm.scm?id=7c2d97af4f04f18ac27cd24fe6e0cddad9a3fe52'>gnu: clifm: Update to 1.21.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/clifm.scm (clifm): Update to 1.21.

Change-Id: I4b04721c8aa161650af32f528004e1c84aaf23c6
Signed-off-by: Zheng Junjie &lt;zhengjunjie@iscas.ac.cn&gt;
</span></span></td><td>Rodion Goritskov</td></tr>
<tr><td><span title='2024-08-16 16:21:34 -0500'>2024-08-16</span></td><td><a href='/guix/commit/gnu/packages/clifm.scm?id=fef103893b7f44c4f591da3c162cc5e2cd0421df'>gnu: clifm: Update to 1.20.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/clifm.scm (clifm): Update to 1.20.
[description]: Format description on a new line.

Change-Id: I305b1ace736ea24a143c189a4b0895d3cdfd0c69
Signed-off-by: jgart &lt;jgart@dismail.de&gt;
</span></span></td><td>Rodion Goritskov</td></tr>
<tr><td><span title='2024-06-21 12:20:24 -0500'>2024-06-21</span></td><td><a href='/guix/commit/gnu/packages/clifm.scm?id=594419b09e124b84d3d6141f1e47b5c346eeb704'>gnu: clifm: Update to 1.19.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/clifm.scm (clifm): Update to 1.19.

Change-Id: I96e7d5841083e599b54855c4568aa6a18bfa6b7f
Signed-off-by: jgart &lt;jgart@dismail.de&gt;
</span></span></td><td>Rodion Goritskov</td></tr>
<tr><td><span title='2024-04-02 16:19:17 +0300'>2024-04-02</span></td><td><a href='/guix/commit/gnu/packages/clifm.scm?id=e85734f6dd29ab996f5d76aa2280f4d05ec29316'>gnu: clifm: Update to 1.18.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/clifm.scm (clifm): Update to 1.18.

Change-Id: Ic0c2a307dbbcca06cfffe60248234849dca2f726
Signed-off-by: Efraim Flashner &lt;efraim@flashner.co.il&gt;
</span></span></td><td>Rodion Goritskov</td></tr>
<tr><td><span title='2024-02-29 19:19:24 +0100'>2024-02-29</span></td><td><a href='/guix/commit/gnu/packages/clifm.scm?id=b988248e1c88bde3001b7f2b1830dececa7e8b23'>gnu: clifm: Update to 1.17.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/clifm.scm (clifm): Update to 1.17.
[description]: Correct a typo.

Change-Id: I16ff527138654e7a25f778beabf2aba38dda1056
Signed-off-by: Andreas Enge &lt;andreas@enge.fr&gt;
</span></span></td><td>Rodion Goritskov</td></tr>
<tr><td><span title='2024-02-09 22:19:08 +0000'>2024-02-09</span></td><td><a href='/guix/commit/gnu/packages/clifm.scm?id=235a1a9d7b57b42630f58b7f05d04eb52c753b17'>gnu: clifm: Update to 1.16</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/clifm.scm (clifm): Update to 1.16.

Change-Id: I0bbc1599c4f5cfdfea4e662c3e61318c3c1495a6
Signed-off-by: Sharlatan Hellseher &lt;sharlatanus@gmail.com&gt;
</span></span></td><td>Rodion Goritskov</td></tr>
<tr><td><span title='2023-11-22 16:51:46 +0100'>2023-11-22</span></td><td><a href='/guix/commit/gnu/packages/clifm.scm?id=42aabf9dac744ccb4ece315e2d7e058b8410f17e'>gnu: Add clifm.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/clifm.scm (clifm): New variable
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.

Co-authored-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
Change-Id: Iba6929365aabdc779d42dcde08e826efc7288664
</span></span></td><td>Rodion Goritskov</td></tr>