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><span title='2020-03-11 18:58:48 +0100'>2020-03-11</span></td><td><a href='/guix/commit/gnu/packages/zile.scm?id=805ac43c94da049284bdc9981a897a89770cf86b'>gnu: zile: Fix cross-compilation.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>