MINOR: stats: output dcon

These are denied conns. Strangely this wasn't emitted while it used to be
available for a while. It corresponds to the number of connections blocked
by "tcp-request connection reject".
diff --git a/doc/management.txt b/doc/management.txt
index ad55c43..d9aee31 100644
--- a/doc/management.txt
+++ b/doc/management.txt
@@ -1035,6 +1035,7 @@
  78: conn_rate_max [.F..]: highest known conn_rate
  79: conn_tot [.F..]: cumulative number of connections
  80: intercepted [.FB.]: cum. number of intercepted requests (monitor, stats)
+ 81: dcon [LF..]: requests denied by "tcp-request connection" rules
 
 
 9.2) Typed output format
diff --git a/include/proto/dumpstats.h b/include/proto/dumpstats.h
index eba753d..633beca 100644
--- a/include/proto/dumpstats.h
+++ b/include/proto/dumpstats.h
@@ -204,6 +204,7 @@
 	ST_F_CONN_RATE_MAX,
 	ST_F_CONN_TOT,
 	ST_F_INTERCEPTED,
+	ST_F_DCON,
 
 	/* must always be the last one */
 	ST_F_TOTAL_FIELDS
diff --git a/src/dumpstats.c b/src/dumpstats.c
index de8c69e..a564ab3 100644
--- a/src/dumpstats.c
+++ b/src/dumpstats.c
@@ -217,6 +217,7 @@
 	[ST_F_CONN_RATE_MAX]  = "conn_rate_max",
 	[ST_F_CONN_TOT]       = "conn_tot",
 	[ST_F_INTERCEPTED]    = "intercepted",
+	[ST_F_DCON]           = "dcon",
 };
 
 /* one line of stats */
@@ -4015,6 +4016,7 @@
 	stats[ST_F_DREQ]     = mkf_u64(FN_COUNTER, px->fe_counters.denied_req);
 	stats[ST_F_DRESP]    = mkf_u64(FN_COUNTER, px->fe_counters.denied_resp);
 	stats[ST_F_EREQ]     = mkf_u64(FN_COUNTER, px->fe_counters.failed_req);
+	stats[ST_F_DCON]     = mkf_u64(FN_COUNTER, px->fe_counters.denied_conn);
 	stats[ST_F_STATUS]   = mkf_str(FO_STATUS, px->state == PR_STREADY ? "OPEN" : px->state == PR_STFULL ? "FULL" : "STOP");
 	stats[ST_F_PID]      = mkf_u32(FO_KEY, relative_pid);
 	stats[ST_F_IID]      = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
@@ -4106,6 +4108,7 @@
 	stats[ST_F_DREQ]     = mkf_u64(FN_COUNTER, l->counters->denied_req);
 	stats[ST_F_DRESP]    = mkf_u64(FN_COUNTER, l->counters->denied_resp);
 	stats[ST_F_EREQ]     = mkf_u64(FN_COUNTER, l->counters->failed_req);
+	stats[ST_F_DCON]     = mkf_u64(FN_COUNTER, l->counters->denied_conn);
 	stats[ST_F_STATUS]   = mkf_str(FO_STATUS, (l->nbconn < l->maxconn) ? (l->state == LI_LIMITED) ? "WAITING" : "OPEN" : "FULL");
 	stats[ST_F_PID]      = mkf_u32(FO_KEY, relative_pid);
 	stats[ST_F_IID]      = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);