manpages: Fix unusual Xr order

lib/libkvm/kvm_open.3

@@ -258,7 +258,6 @@ Full memory dumps have to be explicitly enabled by setting the
 .Xr sysctl 8
 to 0.
 .Sh SEE ALSO
-.Xr dumpon 8 ,
 .Xr close 2 ,
 .Xr open 2 ,
 .Xr kvm 3 ,
@@ -271,7 +270,8 @@ to 0.
 .Xr kvm_read 3 ,
 .Xr kvm_write 3 ,
 .Xr kmem 4 ,
-.Xr mem 4
+.Xr mem 4 ,
+.Xr dumpon 8
 .Sh BUGS
 There should not be three open calls.
 The ill-defined error semantics

lib/libsys/socket.2

@@ -488,13 +488,13 @@ The socket type is not supported by the protocol.
 .Xr send 2 ,
 .Xr sendmsg 2 ,
 .Xr sendto 2 ,
-.Xr signal 3 ,
 .Xr shutdown 2 ,
 .Xr socketpair 2 ,
 .Xr write 2 ,
 .Xr CMSG_DATA 3 ,
 .Xr getprotoent 3 ,
 .Xr netgraph 3 ,
+.Xr signal 3 ,
 .Xr divert 4 ,
 .Xr genetlink 4 ,
 .Xr icmp 4 ,