netinet/in.h: add INADDR_ALLSNOOPERS_GROUP from linux v5.1
RFC 4286: "The IPv4 multicast address for All-Snoopers is 224.0.0.106."
from
linux commit 4effd28c1245303dce7fd290c501ac2c11052114
bridge: join all-snoopers multicast address
diff --git a/include/netinet/in.h b/include/netinet/in.h
index 1770575..5b8b21e 100644
--- a/include/netinet/in.h
+++ b/include/netinet/in.h
@@ -52,6 +52,7 @@
#define INADDR_UNSPEC_GROUP ((in_addr_t) 0xe0000000)
#define INADDR_ALLHOSTS_GROUP ((in_addr_t) 0xe0000001)
#define INADDR_ALLRTRS_GROUP ((in_addr_t) 0xe0000002)
+#define INADDR_ALLSNOOPERS_GROUP ((in_addr_t) 0xe000006a)
#define INADDR_MAX_LOCAL_GROUP ((in_addr_t) 0xe00000ff)
#define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }