Add asn1 to the list of applications to be started for SSL

Required since R16B01. And apparently needed in some cases before.

manual/cowboy_app.md

@@ -15,7 +15,7 @@ environment this means that they need to be started with the
 application is started.
 
 The `cowboy` application also uses the Erlang applications
-`public_key` and `ssl` when listening for HTTPS connections.
+`asn1`, `public_key` and `ssl` when listening for HTTPS connections.
 These are started automatically if they weren't before.
 
 Environment

test/http_SUITE.erl

@@ -216,6 +216,7 @@ init_per_group(https, Config) ->
 	Transport = ranch_ssl,
 	{_, Cert, Key} = ct_helper:make_certs(),
 	Opts = [{cert, Cert}, {key, Key}],
+	application:start(asn1),
 	application:start(public_key),
 	application:start(ssl),
 	{ok, _} = cowboy:start_https(https, 100, Opts ++ [{port, 0}], [
@@ -243,6 +244,7 @@ init_per_group(https_compress, Config) ->
 	Transport = ranch_ssl,
 	{_, Cert, Key} = ct_helper:make_certs(),
 	Opts = [{cert, Cert}, {key, Key}],
+	application:start(asn1),
 	application:start(public_key),
 	application:start(ssl),
 	{ok, _} = cowboy:start_https(https_compress, 100, Opts ++ [{port, 0}], [
@@ -307,6 +309,7 @@ end_per_group(Name, _) when Name =:= https; Name =:= https_compress ->
 	cowboy:stop_listener(Name),
 	application:stop(ssl),
 	application:stop(public_key),
+	application:stop(asn1),
 	ok;
 end_per_group(Name, _) ->
 	cowboy:stop_listener(Name),

test/spdy_SUITE.erl

@@ -42,6 +42,7 @@ init_per_suite(Config) ->
 	application:start(crypto),
 	application:start(ranch),
 	application:start(cowboy),
+	application:start(asn1),
 	application:start(public_key),
 	application:start(ssl),
 	Dir = ?config(priv_dir, Config) ++ "/static",
@@ -53,6 +54,7 @@ end_per_suite(Config) ->
 	ct_helper:delete_static_dir(Dir),
 	application:stop(ssl),
 	application:stop(public_key),
+	application:stop(asn1),
 	application:stop(cowboy),
 	application:stop(ranch),
 	application:stop(crypto),