elftoolchain manpages: Fix unusual Xr order

contrib/elftoolchain/addr2line/addr2line.1

@@ -171,9 +171,9 @@ its source file and line number use:
 .Sh EXIT STATUS
 .Ex -std
 .Sh SEE ALSO
-.Xr nm 1 ,
-.Xr elfdump 1 ,
 .Xr elfcopy 1 ,
+.Xr elfdump 1 ,
+.Xr nm 1 ,
 .Xr strtoull 3
 .Sh AUTHORS
 The

contrib/elftoolchain/readelf/readelf.1

@@ -202,9 +202,9 @@ separate lines.
 .Sh EXIT STATUS
 .Ex -std
 .Sh SEE ALSO
-.Xr nm 1 ,
 .Xr addr2line 1 ,
 .Xr elfcopy 1 ,
+.Xr nm 1
 .Sh AUTHORS
 The
 .Nm