Rather than unconditionally using Mozilla's CA certificates, let the user tell
LWP's UserAgent where to find certificates with the PERL_LWP_SSL_CA_FILE,
HTTPS_CA_FILE, PERL_LWP_SSL_CA_PATH, or HTTPS_CA_DIR environment variables
instead.

--- Finance-Quote-1.37/lib/Finance/Quote/Tiaacref.pm.orig	2015-02-01 13:24:41.000000000 -0600
+++ Finance-Quote-1.37/lib/Finance/Quote/Tiaacref.pm	2015-07-07 20:09:47.278885944 -0500
@@ -30,7 +30,6 @@
 package Finance::Quote::Tiaacref;
 require 5.005;
 require LWP::Protocol::https;
-require Mozilla::CA;
 
 use strict;
 
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<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
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<div class='path'>path: <a href='/guix/log/?id=a512aa918168193249b8a277eab65e015d2dd9e3'>root</a>/<a href='/guix/log/gnu?id=a512aa918168193249b8a277eab65e015d2dd9e3'>gnu</a>/<a href='/guix/log/gnu/installer?id=a512aa918168193249b8a277eab65e015d2dd9e3'>installer</a>/<a href='/guix/log/gnu/installer/newt?id=a512aa918168193249b8a277eab65e015d2dd9e3'>newt</a>/<a href='/guix/log/gnu/installer/newt/timezone.scm?id=a512aa918168193249b8a277eab65e015d2dd9e3'>timezone.scm</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/installer/newt/timezone.scm?id=a512aa918168193249b8a277eab65e015d2dd9e3&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-02-18 01:52:48 +0100'>2019-02-18</span></td><td><a href='/guix/commit/gnu/installer/newt/timezone.scm?id=2b8c2ff45b69b6370d88e97a59fa76de3183b49e'>gnu: Remove unused TIMEZONE-LISTBOX-HEIGTH.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-02-18 01:52:47 +0100'>2019-02-18</span></td><td><a href='/guix/commit/gnu/installer/newt/timezone.scm?id=b83e4a93a2118513cdd2186d796729f0813264c0'>gnu: Fix some typos in the installer.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-01-17 14:04:25 +0100'>2019-01-17</span></td><td><a href='/guix/commit/gnu/installer/newt/timezone.scm?id=7d812901daf0259d5d381199168d6d2994ce00ac'>installer: Turn "Cancel" buttons into "Exit" buttons.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2019-01-17 14:04:22 +0100'>2019-01-17</span></td><td><a href='/guix/commit/gnu/installer/newt/timezone.scm?id=5cdb6bd2db0b465fa616a9fd36760b14844d5c48'>installer: Remove "selection" from all titles.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2019-01-17 14:04:20 +0100'>2019-01-17</span></td><td><a href='/guix/commit/gnu/installer/newt/timezone.scm?id=d0f3a672dcbdfefd3556b6a21985ff0e35eed3be'>gnu: Add graphical installer support.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>