This patch removes the explicit reference to the 'perl' binary,
such that OpenSSL does not retain a reference to Perl.

The 'c_rehash' program is seldom used, but it is used nonetheless
to create symbolic links to certificates, for instance in the 'nss-certs'
package.

diff --git a/tools/c_rehash.in b/tools/c_rehash.in
index 421fd89208..93aca4e168 100644
--- a/tools/c_rehash.in
+++ b/tools/c_rehash.in
@@ -1,4 +1,6 @@
-#!{- $config{HASHBANGPERL} -}
+eval '(exit $?0)' && eval 'exec perl -wS "$0" ${1+"$@"}'
+  & eval 'exec perl -wS "$0" $argv:q'
+    if 0;
 
 # {- join("\n# ", @autowarntext) -}
 # Copyright 1999-2018 The OpenSSL Project Authors. All Rights Reserved.
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20-08-20</span></td><td><a href='/guix/commit/gnu/packages/patches/libmhash-hmac-fix-uaf.patch?id=1cc75fef122db08dd30a86a8074e7ac10fbc00c0'>gnu: libmhash: Fix use-after-free in tests.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/patches/libmhash-hmac-fix-uaf.patch: New patch.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/mcrypt.scm (libmhash)[source]: Use it.
</span></span></td><td>Eric Bavier</td></tr>