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='2024-01-08 21:22:44 +0300'>2024-01-08</span></td><td><a href='/guix/commit/gnu/image.scm?id=519e1e3eb88ec532fc83ebb742d9919269b57c87'>scripts: system: Build layered images.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>