dissectors: Include protos.h in some dissectors for protocol ops declaration

Fixes sparse warnings like the following in some dissectors:

proto_arp.c:158:17: warning: symbol 'arp_ops' was not declared. Should it be static?

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 1 insertions, 0 deletions

diff --git a/proto_nlmsg.c b/proto_nlmsg.c
index 3f5ef64..3471094 100644
--- a/proto_nlmsg.c
+++ b/proto_nlmsg.c
@@ -11,6 +11,7 @@
 
 #include "pkt_buff.h"
 #include "proto.h"
+#include "protos.h"
 
 static void nlmsg(struct pkt_buff *pkt)
 {