Add #include <limits.h> to fix build problem with undefined "_POSIX_PIPE_BUF".

diff --git a/lib/signals.c b/lib/signals.c
index c724aba6d28accfab6f09816323afa4ad5efc6bb..93327b1f8ef4b005f4243f151111573a8786642a 100644 (file)
--- a/lib/signals.c
+++ b/lib/signals.c
@@ -35,6 +35,7 @@
 #include "signals.h"
 #include <assert.h>
 #include <errno.h>
+#include <limits.h>
 #include <signal.h>
 #include <unistd.h>
 #include "poll-loop.h"