Drop use of the deprecated time.clock which was removed in Python 3.8.

Adapted from upstream pull request:

https://github.com/dlitz/pycrypto/pull/296

diff --git a/lib/Crypto/Random/_UserFriendlyRNG.py b/lib/Crypto/Random/_UserFriendlyRNG.py
--- a/lib/Crypto/Random/_UserFriendlyRNG.py
+++ b/lib/Crypto/Random/_UserFriendlyRNG.py
@@ -73,8 +73,11 @@ class _EntropyCollector(object):
         t = time.time()
         self._time_es.feed(struct.pack("@I", int(2**30 * (t - floor(t)))))
 
-        # Add the fractional part of time.clock()
-        t = time.clock()
+        # Add the fractional part of time.process_time()
+        try:
+           t = time.process_time()
+        except AttributeError:
+           t = time.clock()
         self._clock_es.feed(struct.pack("@I", int(2**30 * (t - floor(t)))))
 
 
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<tr><td><span title='2022-05-24 17:19:02 +0200'>2022-05-24</span></td><td><a href='/guix/commit/gnu/packages/patches/sssd-optional-systemd.patch?id=3e59d41df031a86e48f6b8ee1ac7a72d3c183f69'>gnu: sssd: Update to 2.7.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>Add support for renewing AD membership with adcli. Wrap binaries with
LDB_MODULES_PATH. Fix the sss_analyze utility to run without systemd
libraries. Add native inputs to generate man pages and run additional tests
during build.

* gnu/packages/sssd.scm (sssd): Update to 2.7.0.
[patches]: Drop patches applied upstream. Add a patch for sss_analyze.
[inputs]: Add adcli, bash-minimal, jose, keyutils, libnl, pcre2, python.
Drop augeas, pcre.
[native-inputs]: Add cmocka, doxygen, gettext-minimal, libfaketime,
libtool, openssh, po4a, softhsm.
[arguments]: Rewrite in gexp style. Fix configure checks. Remove static
library from install. Wrap binaries to set correct paths.
* gnu/packages/patches/sssd-collision-with-external-nss-symbol.patch,
gnu/packages/patches/sssd-fix-samba-4.15.3.patch,
gnu/packages/patches/sssd-fix-samba.patch: Delete files.
* gnu/packages/patches/sssd-optional-systemd.patch: New file.
* gnu/local.mk (dist_patch_DATA): Update accordingly.

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