Fix build failure caused by erroneous use of an undeclared symbol.

Patch copied from upstream bug report:
https://rt.cpan.org/Public/Bug/Display.html?id=117793

From 0be0223422e6e5f4091c6e4e058d213623eed105 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com>
Date: Mon, 12 Sep 2016 14:40:44 +0200
Subject: [PATCH] Skip preprocessor symbol only CURL_STRICTER
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

CURL_STRICTER leaked into curl-constants.c when building against
curl-7.50.2. This is a preprocessor only macro without a value.

CPAN RT#117793

Signed-off-by: Petr Písař <ppisar@redhat.com>
---
 Makefile.PL | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile.PL b/Makefile.PL
index f9170bb..ad2bd3d 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -127,7 +127,7 @@ if (!defined($curl_h)) {
     close H;
 
     for my $e (sort @syms) {
-       if($e =~ /(OBSOLETE|^CURL_EXTERN|_LAST\z|_LASTENTRY\z)/) {
+       if($e =~ /(OBSOLETE|^CURL_EXTERN|^CURL_STRICTER\z|_LAST\z|_LASTENTRY\z)/) {
           next;
        }
        my ($group) = $e =~ m/^([^_]+_)/;
-- 
2.7.4

</a><a href='/guix/tree/gnu/machine?id=9837bc5e35948884b734922462eba4d6b8855a37'>tree</a><a href='/guix/commit/gnu/machine?id=9837bc5e35948884b734922462eba4d6b8855a37'>commit</a><a href='/guix/diff/gnu/machine?id=9837bc5e35948884b734922462eba4d6b8855a37'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/machine'>
<input type='hidden' name='id' value='9837bc5e35948884b734922462eba4d6b8855a37'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=9837bc5e35948884b734922462eba4d6b8855a37'>root</a>/<a href='/guix/log/gnu?id=9837bc5e35948884b734922462eba4d6b8855a37'>gnu</a>/<a href='/guix/log/gnu/machine?id=9837bc5e35948884b734922462eba4d6b8855a37'>machine</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/machine?id=9837bc5e35948884b734922462eba4d6b8855a37&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-01-04 11:51:48 +0100'>2021-01-04</span></td><td><a href='/guix/commit/gnu/machine?id=61d8bd56a4644a72b964b680456da4332eb1ef6d'>machine: ssh: Do not import the host (guix config), really.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to 70ffa8af1e93ab8a92c4622745e9cb4a2782f3c8, which
did not really solve the problem.

* gnu/machine/ssh.scm (not-config?): New procedure.
(machine-boot-parameters): Use it as an argument to
'source-module-closure'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-12-21 18:41:11 +0100'>2020-12-21</span></td><td><a href='/guix/commit/gnu/machine?id=f00e68ace070fd5240a4b5874e61c26f6e909b6c'>system: Allow separated /boot and encrypted root.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/bootloader/grub.scm (grub-configuration-file): New parameter
store-crypto-devices.
[crypto-devices]: New helper function.
[builder]: Use crypto-devices.
* gnu/machine/ssh.scm (roll-back-managed-host): Use
boot-parameters-store-crypto-devices to provide its contents to the
bootloader configuration generation process.
* gnu/tests/install.scm (%encrypted-root-not-boot-os,
%encrypted-root-not-boot-os): New os declaration.
(%encrypted-root-not-boot-installation-script): New script, whose contents
were initially taken from %encrypted-root-installation-script.
(%test-encrypted-root-not-boot-os): New test.
* gnu/system.scm (define-module): Export
operating-system-bootoader-crypto-devices and
boot-parameters-store-crypto-devices.
(&lt;boot-parameters&gt;): Add field store-crypto-devices.
(read-boot-parameters): Parse store-crypto-devices field.
[uuid-sexp-&gt;uuid]: New helper function extracted from
device-sexp-&gt;device.
(operating-system-bootloader-crypto-devices): New function.
(operating-system-bootcfg): Use
operating-system-bootloader-crypto-devices to provide its contents to
the bootloader configuration generation process.
(operating-system-boot-parameters): Add store-crypto-devices to the
generated boot-parameters.
(operating-system-boot-parameters-file): Likewise to the file with
the serialized structure.
* guix/scripts/system.scm (reinstall-bootloader): Use
boot-parameters-store-crypto-devices to provide its contents to the
bootloader configuration generation process.
* tests/boot-parameters.scm (%default-store-crypto-devices): New
variable.
(%grub-boot-parameters, test-read-boot-parameters): Use
%default-store-crypto-devices.
(tests store-crypto-devices): New tests.
</span></span></td><td>Miguel Ángel Arruga Vivas</td></tr>