No IP_RECVTOS for DragonFlyBSD

Author: Ralith

src/unix/bsd/freebsdlike/freebsd/mod.rs

@@ -803,6 +803,7 @@ pub const TCP_PCAP_OUT: ::c_int = 2048;
 pub const TCP_PCAP_IN: ::c_int = 4096;
 
 pub const IP_BINDANY: ::c_int = 24;
+pub const IP_RECVTOS: ::c_int = 68;
 
 pub const PF_SLOW: ::c_int = AF_SLOW;
 pub const PF_SCLUSTER: ::c_int = AF_SCLUSTER;

src/unix/bsd/freebsdlike/mod.rs

@@ -664,7 +664,6 @@ pub const IP_RECVDSTADDR: ::c_int = 7;
 pub const IP_SENDSRCADDR: ::c_int = IP_RECVDSTADDR;
 pub const IP_ADD_MEMBERSHIP: ::c_int = 12;
 pub const IP_DROP_MEMBERSHIP: ::c_int = 13;
-pub const IP_RECVTOS: ::c_int = 68;
 pub const IPV6_JOIN_GROUP: ::c_int = 12;
 pub const IPV6_LEAVE_GROUP: ::c_int = 13;
 pub const IPV6_RECVPKTINFO: ::c_int = 36;