Initialize the context in 'test_auth_clear'.
Fixes the test suite on mips64el.

Patch by Mark H Weaver <mhw@netris.org>

--- libotr-4.1.1/tests/unit/test_auth.c.orig	2015-12-25 12:39:45.000000000 -0500
+++ libotr-4.1.1/tests/unit/test_auth.c	2016-03-17 18:53:10.169999706 -0400
@@ -67,6 +67,7 @@
 	OtrlAuthInfo *auth = &ctx.auth;
 
 	/* API call. */
+	otrl_auth_new(&ctx);
 	otrl_auth_clear(auth);
 
 	ok(auth->authstate == OTRL_AUTHSTATE_NONE &&
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<tr><td><span title='2024-04-08 00:05:48 +0200'>2024-04-08</span></td><td><a href='/guix/commit/tests/gexp.scm?id=b30b838d5055e36be19d030db28838fec4474d98'>gexp: Add #:guile parameter to ‘gexp-&gt;file’ and ‘scheme-file’.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-12-22 00:31:40 +0100'>2023-12-22</span></td><td><a href='/guix/commit/tests/gexp.scm?id=11a454f9dae84cc00b977d164dae764454ecb11d'>gexp: #:references-graphs accepts and honors &lt;gexp-input&gt; records.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-12-22 00:31:40 +0100'>2023-12-22</span></td><td><a href='/guix/commit/tests/gexp.scm?id=d9190abbd20f15ea5b55abdd51e1376f05055850'>gexp: Add compiler for &lt;gexp-input&gt;.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-11-25 16:29:25 +0100'>2023-11-25</span></td><td><a href='/guix/commit/tests/gexp.scm?id=9b48cf8cdd5718bc35828b3c4c9abe84122dad96'>tests: Import (guix build syscalls) when (guix build store-copy) is used.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-11-11 23:17:42 +0100'>2022-11-11</span></td><td><a href='/guix/commit/tests/gexp.scm?id=19206eee69e8c22d63104af1b7f1f815969bff7f'>grafts: Run with a UTF-8 locale.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-10-22 01:46:55 +0200'>2022-10-22</span></td><td><a href='/guix/commit/tests/gexp.scm?id=a3619079f95213c4f983e69210ed12b38fd31022'>Remove now unnecessary uses of (guix grafts).</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-05-25 09:28:43 +0200'>2022-05-25</span></td><td><a href='/guix/commit/tests/gexp.scm?id=d276a7dd6162d101b7790cc8ea902abfec1eafcb'>tests: Fix wrong target triplets.</a><span class='msg-avail'>...</span></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2022-05-01 21:30:34 +0200'>2022-05-01</span></td><td><a href='/guix/commit/tests/gexp.scm?id=774f8804bafbf42a65eca492d1395da57deeb467'>gexp: Add 'references-file'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-03-13 23:20:07 +0100'>2022-03-13</span></td><td><a href='/guix/commit/tests/gexp.scm?id=2e5c3d91fea5b583c541d70b4c318c2f81554d43'>gexp: Correctly handle #$output in 'gexp-&gt;approximate-sexp'.</a><span class='msg-avail'>...</span></td><td>Maxime Devos</td></tr>
<tr><td><span title='2022-03-13 23:18:14 +0100'>2022-03-13</span></td><td><a href='/guix/commit/tests/gexp.scm?id=5aec62ee0f69d691c1c1e322029463beb8bfc3cd'>gexp: Correctly handle unquoting S-exp objects.</a><span class='msg-avail'>...</span></td><td>Maxime Devos</td></tr>