polypath.c: Fix missing include of <limits.h>.

Signed-off-by: Mark Wooding <mdw@distorted.org.uk>

diff --git a/polypath.c b/polypath.c
index e3c31e6..d47bef7 100644 (file)
--- a/polypath.c
+++ b/polypath.c
@@ -27,6 +27,7 @@
 
 #include <adns.h>
 #include <ctype.h>
+#include <limits.h>
 
 #ifdef CONFIG_IPV6