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-rw-r--r--epan/ipproto.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/epan/ipproto.h b/epan/ipproto.h
index f0b7b925a9..ac1eb83878 100644
--- a/epan/ipproto.h
+++ b/epan/ipproto.h
@@ -191,6 +191,6 @@
#define IP_PROTO_NCS_HEARTBEAT 224 /* Novell NCS Heartbeat - http://support.novell.com/cgi-bin/search/searchtid.cgi?/10071158.htm */
extern const value_string ipproto_val[];
-extern const char *ipprotostr(int proto);
+extern const char *ipprotostr(const int proto);
#endif /* ipproto.h */