perlPackages.WWWCurl: fix broken build after curl update

upstream bugreport:
https://rt.cpan.org/Public/Bug/Display.html?id=117793

patch also taken from there

pkgs/development/perl-modules/WWW-Curl-4.17-Skip-preprocessor-symbol-only-CURL_STRICTER.patch

@@ -0,0 +1,34 @@
+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
+

pkgs/top-level/perl-packages.nix

@@ -14174,6 +14174,7 @@ let self = _self // overrides; _self = with self; {
       url = "mirror://cpan/authors/id/S/SZ/SZBALINT/${name}.tar.gz";
       sha256 = "1fmp9aib1kaps9vhs4dwxn7b15kgnlz9f714bxvqsd1j1q8spzsj";
     };
+    patches = [ ../development/perl-modules/WWW-Curl-4.17-Skip-preprocessor-symbol-only-CURL_STRICTER.patch ];
     buildInputs = [ pkgs.curl ];
     preConfigure =
       ''