tests: Fix the line endings for the SASL alt-auth tests

- Change data and protocol sections to CRLF line endings.

Prior to this change the tests would fail or hang, which is because
certain sections such as protocol require CRLF line endings.

Follow-up to a9499ff from today which added the tests.

Ref: https://github.com/curl/curl/pull/3790

tests/data/test953

@@ -29,7 +29,7 @@ smtp
 SMTP plain authentication with alternative authorization identity
  </name>
 <stdin>
-mail body
+mail body
 </stdin>
  <command>
 smtp://%HOSTIP:%SMTPPORT/953 --mail-rcpt recipient@example.com --mail-from sender@example.com -u kurt:xipj3plmq --sasl-authzid ursel -T -
@@ -40,17 +40,17 @@ smtp://%HOSTIP:%SMTPPORT/953 --mail-rcpt recipient@example.com --mail-from sende
 # Verify data after the test has been "shot"
 <verify>
 <protocol>
-EHLO 953
-AUTH PLAIN
-dXJzZWwAa3VydAB4aXBqM3BsbXE=
-MAIL FROM:<sender@example.com>
-RCPT TO:<recipient@example.com>
-DATA
-QUIT
+EHLO 953
+AUTH PLAIN
+dXJzZWwAa3VydAB4aXBqM3BsbXE=
+MAIL FROM:<sender@example.com>
+RCPT TO:<recipient@example.com>
+DATA
+QUIT
 </protocol>
 <upload>
-mail body
-.
+mail body
+.
 </upload>
 </verify>
 </testcase>