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 &&
cgit-static/cgit.png' alt='cgit logo'/></a></td>
<td class='main'><a href='/'>index</a> : <a href='/guix/'>guix</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='40561d024947fb5d5fd553921afd11d8f56562bf'/><select name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=40561d024947fb5d5fd553921afd11d8f56562bf'>refs</a><a class='active' href='/guix/log/gnu/packages/elixir.scm'>log</a><a href='/guix/tree/gnu/packages/elixir.scm?id=40561d024947fb5d5fd553921afd11d8f56562bf'>tree</a><a href='/guix/commit/gnu/packages/elixir.scm?id=40561d024947fb5d5fd553921afd11d8f56562bf'>commit</a><a href='/guix/diff/gnu/packages/elixir.scm?id=40561d024947fb5d5fd553921afd11d8f56562bf'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/elixir.scm'>
<input type='hidden' name='id' value='40561d024947fb5d5fd553921afd11d8f56562bf'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=40561d024947fb5d5fd553921afd11d8f56562bf'>root</a>/<a href='/guix/log/gnu?id=40561d024947fb5d5fd553921afd11d8f56562bf'>gnu</a>/<a href='/guix/log/gnu/packages?id=40561d024947fb5d5fd553921afd11d8f56562bf'>packages</a>/<a href='/guix/log/gnu/packages/elixir.scm?id=40561d024947fb5d5fd553921afd11d8f56562bf'>elixir.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/elixir.scm?id=40561d024947fb5d5fd553921afd11d8f56562bf&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-08-16 05:21:38 +0200'>2018-08-16</span></td><td><a href='/guix/commit/gnu/packages/elixir.scm?id=70f57ae00525f6fc919f62aea647a33b29d28537'>gnu: Use ©.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-07-17 15:13:48 +0200'>2018-07-17</span></td><td><a href='/guix/commit/gnu/packages/elixir.scm?id=e345274adbcfe99ddaa630f5f2dcc115d6fc7b5d'>gnu: elixir: Update to 1.6.6.</a><span class='msg-avail'>...</span></td><td>Nils Gillmann</td></tr>
<tr><td><span title='2018-06-12 07:46:18 +0100'>2018-06-12</span></td><td><a href='/guix/commit/gnu/packages/elixir.scm?id=e7a25d2ae7d65f204d92f7987630eeb5c63fe659'>gnu: elixir: Enable more tests and remove patch.</a><span class='msg-avail'>...</span></td><td>Christopher Baines</td></tr>
<tr><td><span title='2018-01-08 14:15:25 +0100'>2018-01-08</span></td><td><a href='/guix/commit/gnu/packages/elixir.scm?id=2c5150ba2a7e5c910e9a1c3519c2e7777b11faa4'>gnu: elixir: Update to 1.5.3.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2017-12-04 10:36:48 +0100'>2017-12-04</span></td><td><a href='/guix/commit/gnu/packages/elixir.scm?id=6de3d1762beba47a7a94de452a48c4b256c12333'>gnu: elixir: Update to 1.5.2 and disable failing tests.</a><span class='msg-avail'>...</span></td><td>nee</td></tr>