Squelch a clang warning

[tcpdump] / tcpdump.c

diff --git a/tcpdump.c b/tcpdump.c
index 1ed33461cd2710735680a064a5e3107905337861..9790a4e3f7c057c2f6bcca927662c79c38a2349b 100644 (file)
--- a/tcpdump.c
+++ b/tcpdump.c
@@ -179,6 +179,7 @@ static char *remote_interfaces_source;      /* list available devices from this sourc
  * dflag but, instead, *if* built with optimizer debugging code,
  * *export* a routine to set that flag.
  */
+extern int dflag;
 int dflag;                             /* print filter code */
 static int Gflag;                      /* rotate dump files after this many seconds */
 static int Gflag_count;                        /* number of files created with Gflag rotation */