Index: src/include/lwip/snmp_msg.h
===================================================================
RCS file: /sources/lwip/lwip/src/include/lwip/snmp_msg.h,v
retrieving revision 1.15
diff -u -r1.15 snmp_msg.h
--- src/include/lwip/snmp_msg.h	14 Jan 2010 19:59:03 -0000	1.15
+++ src/include/lwip/snmp_msg.h	20 Jan 2010 05:30:29 -0000
@@ -39,6 +39,7 @@
 #include "lwip/snmp.h"
 #include "lwip/snmp_structs.h"
 #include "lwip/ip_addr.h"
+#include "lwip/err.h"
 
 #if LWIP_SNMP