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='2020-09-28 21:06:36 -0500'>2020-09-28</span></td><td><a href='/guix/commit/tests/guix-package-net.sh?id=d8934360d2453a403b5433e71d09188e4ed23b57'>tests: Simplify shell exit status negation;</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/guix-archive.sh, tests/guix-build-branch.sh, tests/guix-build.sh,
tests/guix-daemon.sh, tests/guix-download.sh, tests/guix-environment.sh,
tests/guix-gc.sh, tests/guix-git-authenticate.sh, tests/guix-graph.sh,
tests/guix-hash.sh, tests/guix-lint.sh, tests/guix-pack-relocatable.sh,
tests/guix-pack.sh, tests/guix-package-aliases.sh, tests/guix-package-net.sh,
tests/guix-package.sh: Use the shell '!' keyword to negate command exit status
in place of 'if ...; then false; else true; fi'
</span></span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2020-05-23 16:29:29 +0200'>2020-05-23</span></td><td><a href='/guix/commit/tests/guix-package-net.sh?id=881eaae1abe39ea324ea9c757e84d15eb30f869f'>guix package: Support multiple profiles with '--list-installed'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/scripts/package.scm (process-query): List installed multiple profiles.
* tests/guix-package-net.sh: Test it.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>zimoun</td></tr>