std: Store flowinfo/scope_id in host byte order

Apparently these aren't supposed to be stored in network byte order, so doing so
ends up causing failures when it would otherwise succeed when stored in the host
byte order.

Closes #32424

Author: alexcrichton

src/libstd/net/addr.rs

@@ -143,8 +143,8 @@ impl SocketAddrV6 {
                 sin6_family: c::AF_INET6 as c::sa_family_t,
                 sin6_port: hton(port),
                 sin6_addr: *ip.as_inner(),
-                sin6_flowinfo: hton(flowinfo),
-                sin6_scope_id: hton(scope_id),
+                sin6_flowinfo: flowinfo,
+                sin6_scope_id: scope_id,
                 .. unsafe { mem::zeroed() }
             },
         }
@@ -173,23 +173,23 @@ impl SocketAddrV6 {
     /// Returns the flow information associated with this address,
     /// corresponding to the `sin6_flowinfo` field in C.
     #[stable(feature = "rust1", since = "1.0.0")]
-    pub fn flowinfo(&self) -> u32 { ntoh(self.inner.sin6_flowinfo) }
+    pub fn flowinfo(&self) -> u32 { self.inner.sin6_flowinfo }
 
     /// Change the flow information associated with this socket address.
     #[unstable(feature = "sockaddr_setters", reason = "recent addition", issue = "31572")]
     pub fn set_flowinfo(&mut self, new_flowinfo: u32) {
-        self.inner.sin6_flowinfo = hton(new_flowinfo)
+        self.inner.sin6_flowinfo = new_flowinfo;
     }
 
     /// Returns the scope ID associated with this address,
     /// corresponding to the `sin6_scope_id` field in C.
     #[stable(feature = "rust1", since = "1.0.0")]
-    pub fn scope_id(&self) -> u32 { ntoh(self.inner.sin6_scope_id) }
+    pub fn scope_id(&self) -> u32 { self.inner.sin6_scope_id }
 
     /// Change the scope ID associated with this socket address.
     #[unstable(feature = "sockaddr_setters", reason = "recent addition", issue = "31572")]
     pub fn set_scope_id(&mut self, new_scope_id: u32) {
-        self.inner.sin6_scope_id = hton(new_scope_id)
+        self.inner.sin6_scope_id = new_scope_id;
     }
 }