[PATCH] Update hint where to find epmd protocol spec in epmd_srv.c.

[Ralf Doering]

With newer releases erts/emulator/internal_doc/erl_ext_dist.txt just
forwards the reader to the ERTS User's Guide. Adjust the comment in
epmd_srv.c to point to this location too.

Signed-off-by: Ralf Doering <rdoering@REDACTED>
---
 erts/epmd/src/epmd_srv.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/erts/epmd/src/epmd_srv.c b/erts/epmd/src/epmd_srv.c
index df4d1a5..ef471a4 100644
--- a/erts/epmd/src/epmd_srv.c
+++ b/erts/epmd/src/epmd_srv.c
@@ -39,8 +39,10 @@
  *  server keeps the socket open where the request for registration was
  *  made.
  *
- *  The protocol is briefly documented in "erl_ext_dist.txt". All requests
- *  to this server are done with a packet
+ *  The protocol is briefly documented in the ERTS User's Guide, see
+ *  http://www.erlang.org/doc/apps/erts/erl_dist_protocol.html
+ *
+ *  All requests to this server are done with a packet
  *
  *      2        n
  *  +--------+---------+
-- 
1.7.3.15.g442cb