Without <limits.h>, INT_MAX is not defined.

diff --git a/transport.hxx b/transport.hxx
index 35a57a7..838add6 100644
--- a/transport.hxx
+++ b/transport.hxx
@@ -11,6 +11,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
+#include <limits.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
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<tr><td><span title='2022-05-29 16:01:02 +0300'>2022-05-29</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=d540e686ef0f1e40962be144388784da25cf7893'>gnu: Add pbuilder.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2022-05-22 02:00:06 +0200'>2022-05-22</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=07101ac33fc0596a0ad4b7a59a12f4dbd5c0cd58'>gnu: dpkg: Remove input labels.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2022-05-22 02:00:06 +0200'>2022-05-22</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=cb1bd6afcdc8ab6b8f7e626864d2d7253dcd737c'>gnu: dpkg: Run OpenPGP tests.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2022-05-22 02:00:06 +0200'>2022-05-22</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=5e3cfe9f63716834ae68e8349ea28604b193fc4d'>gnu: dpkg: Update to 1.21.8 [fixes CVE-2022-1664].</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2022-05-23 21:59:49 +0300'>2022-05-23</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=1a1f9e7050a9b787b2111cb5af677510a0122e2b'>gnu: debootstrap: Add missing input.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2022-05-23 21:59:49 +0300'>2022-05-23</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=d660d3f337e77850d40c0ee84930e3ee4c847017'>gnu: debootstrap: Rewrite using new style.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2022-05-23 21:59:48 +0300'>2022-05-23</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=83fd96ed389801baa16d6e995499d86ef34f87d5'>gnu: debootstrap: Remove trailing booleans.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2022-05-23 21:59:48 +0300'>2022-05-23</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=658525f6ecdfdf4929910a5a45d33150d0e43f6e'>gnu: debootstrap: Patch reference to dpkg.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2022-05-23 21:59:48 +0300'>2022-05-23</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=2bd17f8a15f414471b63412d0a2d4c2253e760c0'>gnu: dpkg: Fix calling dpkg from perl modules.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2022-02-16 09:59:29 +0200'>2022-02-16</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=34755d912efd29d4c1118b318a4096fb8a65005d'>gnu: debian-ports-archive-keyring: Update to 2022.02.15.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2022-01-12 16:08:11 +0200'>2022-01-12</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=9e3b4d69dae190a7c2bd670e5f42ca6a522c5708'>gnu: debian-ports-archive-keyring: Update to 2021.12.30.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2021-12-16 16:27:03 +0100'>2021-12-16</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=12e9687eb925eff12200f86c479344261203a464'>gnu: dpkg: Update to 1.21.0.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-12-13 22:15:07 +0100'>2021-12-13</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=e3196755e60ba7f1ed9d432e73f26a85e0c8893c'>gnu: Further simplify package inputs.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-12-13 17:48:25 +0100'>2021-12-13</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=8394619baceb118df92e355377fd543bb1aa501a'>gnu: Simplify package inputs.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-11-09 08:48:49 +0200'>2021-11-09</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=4d03acbb02a1f8bdb03dd986f34ddfe7de3d827c'>gnu: debianutils: Update to 5.5-1.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2021-11-09 08:48:35 +0200'>2021-11-09</span></td><td><a href='/guix/commit/gnu/packages/debian.scm?id=1b95a7b2b187dd8b8b996628c7651c8c08593249'>gnu: debootstrap: Update to 1.0.126.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>