Avoid signed overflow during mult-s16-test which intermittently
failed.

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

--- pulseaudio-5.0/src/tests/mult-s16-test.c.orig	2014-01-23 13:57:55.000000000 -0500
+++ pulseaudio-5.0/src/tests/mult-s16-test.c	2014-10-24 03:13:46.464661815 -0400
@@ -55,7 +55,7 @@
 START_TEST (mult_s16_test) {
     int16_t samples[SAMPLES];
     int32_t volumes[SAMPLES];
-    int32_t sum1 = 0, sum2 = 0;
+    uint32_t sum1 = 0, sum2 = 0;
     int i;
 
     pa_random(samples, sizeof(samples));
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<tr><td><span title='2019-04-28 22:57:07 +0200'>2019-04-28</span></td><td><a href='/guix/commit/gnu/installer/user.scm?id=43c1c44a1194579cd9e0149e41886762d9efc9dc'>installer: User can have a "real name".</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/installer/user.scm (&lt;user&gt;)[real-name]: New field.
(users-&gt;configuration)[use-&gt;sexp]: Turn it into a 'comment' field.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-04-25 00:45:35 +0200'>2019-04-25</span></td><td><a href='/guix/commit/gnu/installer/user.scm?id=91a7c4998fe4f5a2a63f2ddb4bfeeef81c68b6d7'>installer: Ask for the root account password.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/35399&gt;.

* gnu/installer/newt/user.scm (run-root-password-page): New procedure.
* gnu/installer/user.scm (users-&gt;configuration): Filter out the "root"
account.
* gnu/installer/final.scm (create-user-database): Set 'uid' field in
'user-account' form.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-04-25 00:45:34 +0200'>2019-04-25</span></td><td><a href='/guix/commit/gnu/installer/user.scm?id=898677ed17672130d20434cd88575d620c97c553'>installer: Ask for user password and initialize /etc/shadow.</a><span class='msg-avail'>...<span class='msg-tooltip'>Partly fixes &lt;https://bugs.gnu.org/35399&gt;.

* gnu/installer/user.scm (&lt;user&gt;)[password]: New field.
* gnu/installer/final.scm (%seed): New variable.
(integer-&gt;alphanumeric-char, random-string)
(create-user-database): New procedures.
(install-system): Call 'create-user-database'.
* gnu/installer/newt/final.scm (run-install-shell): Add #:users and pass
it to 'install-system'.
(run-final-page): Pass #:users to 'run-install-shell'.
* gnu/installer/newt/user.scm (run-user-add-page): Add password entry.
Pass its result as the 'password' field of &lt;user&gt;.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-01-17 14:04:24 +0100'>2019-01-17</span></td><td><a href='/guix/commit/gnu/installer/user.scm?id=47c94801656c7e9ddf1dcfe0189b48d7c57d0a1d'>installer: Add user module.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/installer/user.scm: New file.
</span></span></td><td>Mathieu Othacehe</td></tr>