Fix Perl module Module::Pluggable such that it can find plugins that live in
symlinked directories.

Patch borrowed/adapted from Nixpkgs.

--- Module-Pluggable-5.2/lib/Module/Pluggable/Object.pm   2015-04-08 23:28:48.120164135 -0500
+++ Module-Pluggable-5.2/lib/Module/Pluggable/Object.pm   2015-04-08 23:30:27.032166704 -0500
@@ -164,7 +164,7 @@
         my $sp = catdir($dir, (split /::/, $searchpath));

         # if it doesn't exist or it's not a dir then skip it
-        next unless ( -e $sp && -d _ ); # Use the cached stat the second time
+        next unless ( -e $sp );

         my @files = $self->find_files($sp);

@@ -279,7 +279,7 @@
                              (my $path = $File::Find::name) =~ s#^\\./##;
                              push @files, $path;
                            }
-                      }, $search_path );
+                      }, "$search_path/." );
     }
     #chdir $cwd;
     return @files;d Guix</td><td class='sub right'></td></tr></table>
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<div class='path'>path: <a href='/guix/log/?id=77a1efed9e12ce0e2c470d7b0601ae70c72b010b'>root</a>/<a href='/guix/log/etc?id=77a1efed9e12ce0e2c470d7b0601ae70c72b010b'>etc</a>/<a href='/guix/log/etc/guix-daemon.conf.in?id=77a1efed9e12ce0e2c470d7b0601ae70c72b010b'>guix-daemon.conf.in</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/etc/guix-daemon.conf.in?id=77a1efed9e12ce0e2c470d7b0601ae70c72b010b&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-11-23 15:42:01 +0100'>2018-11-23</span></td><td><a href='/guix/commit/etc/guix-daemon.conf.in?id=e9926f80c6553fde50ce1fcfd38d6370f841efd2'>build: Binary tarball now populates the "current-guix" profile.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-07-15 21:59:21 +0100'>2017-07-15</span></td><td><a href='/guix/commit/etc/guix-daemon.conf.in?id=08f47d7e3e4ce2e31d8964eb42f16030859a006c'>Remove task from 'guix-daemon.conf'.</a><span class='msg-avail'>...</span></td><td>Christopher Baines</td></tr>
<tr><td><span title='2017-03-06 13:25:51 -0500'>2017-03-06</span></td><td><a href='/guix/commit/etc/guix-daemon.conf.in?id=613d0895b92c677e0639d5e77c55043e38e020c8'>build: Don't embed absolute paths in .service and .conf service files.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2015-11-26 23:21:09 +0100'>2015-11-26</span></td><td><a href='/guix/commit/etc/guix-daemon.conf.in?id=ad227484c3e1dc85488be76a23128e77ad0b33ff'>Add 'guix-daemon.conf' job for Upstart.</a><span class='msg-avail'>...</span></td><td>Mario Daniel Ruiz Saavedra</td></tr>