From 638f0faf282218089cdbf636bf487a7cad95a621 Mon Sep 17 00:00:00 2001
From: Hans Nilsson <hans@erlang.org>
Date: Thu, 9 Nov 2017 12:35:12 +0100
Subject: ssh: Don't remove trailing WS in Hello msg

---
 lib/ssh/src/ssh_transport.erl | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl
index 5391df723c..b2d655955f 100644
--- a/lib/ssh/src/ssh_transport.erl
+++ b/lib/ssh/src/ssh_transport.erl
@@ -1825,12 +1825,6 @@ same(Algs) ->  [{client2server,Algs}, {server2client,Algs}].
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 trim_tail(Str) ->
-    lists:reverse(trim_head(lists:reverse(Str))).
-
-trim_head([$\s|Cs]) -> trim_head(Cs);
-trim_head([$\t|Cs]) -> trim_head(Cs);
-trim_head([$\n|Cs]) -> trim_head(Cs);
-trim_head([$\r|Cs]) -> trim_head(Cs);
-trim_head(Cs) -> Cs.
-
-
+    lists:takewhile(fun(C) -> 
+			    C=/=$\r andalso C=/=$\n
+		    end, Str).
-- 
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