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.

--- openssl-1.0.2g/tools/c_rehash.in	2015-09-09 18:36:07.313316482 +0200
+++ openssl-1.0.2g/tools/c_rehash.in	2015-09-09 18:36:28.965458458 +0200
@@ -1,4 +1,6 @@
-#!/usr/local/bin/perl
+eval '(exit $?0)' && eval 'exec perl -wS "$0" ${1+"$@"}'
+  & eval 'exec perl -wS "$0" $argv:q'
+    if 0;
 
 # Perl c_rehash script, scan all files in a directory
 # and add symbolic links to their hash values.
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<div class='path'>path: <a href='/guix/log/?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'>root</a>/<a href='/guix/log/gnu?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'>gnu</a>/<a href='/guix/log/gnu/packages?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'>packages</a>/<a href='/guix/log/gnu/packages/patches?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'>patches</a>/<a href='/guix/log/gnu/packages/patches/vtk-7-hdf5-compat.patch?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'>vtk-7-hdf5-compat.patch</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/patches/vtk-7-hdf5-compat.patch?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-05-31 14:54:06 -0400'>2022-05-31</span></td><td><a href='/guix/commit/gnu/packages/patches/vtk-7-hdf5-compat.patch?id=607e48ba3ccb038e2fa4b956cb62ce628cdc8cd0'>gnu: Add vtk-7.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/image-processing.scm: (vtk-7): New variable.
* gnu/packages/patches/vtk-7-gcc-10-compat.patch: New patch.
* gnu/packages/patches/vtk-7-hdf5-compat.patch: Likewise.
* gnu/packages/patches/vtk-7-python-compat.patch: Likewise.
* gnu/local.mk (dist_patch_DATA): Register them.
</span></span></td><td>Maxim Cournoyer</td></tr>