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='2022-02-26 15:56:55 +0100'>2022-02-26</span></td><td><a href='/guix/commit/gnu/installer/connman.scm?id=cc11905568065409fe46487174e1cf404291bda1'>installer: Continue even if Connman cannot phone home.</a><span class='msg-avail'>...</span></td><td>Florian Pelz</td></tr>