net-vpn/libreswan: fix compilation with -curl

Backports an upstream bug fix.

Closes: https://bugs.gentoo.org/661814
Package-Manager: Portage-2.3.40, Repoman-2.3.9

net-vpn/libreswan/files/libreswan-3.25-no-curl.patch

@@ -0,0 +1,25 @@
+From 903f953b271c35f33790bb7ba98b17acfdecede6 Mon Sep 17 00:00:00 2001
+From: Paul Wouters <pwouters@redhat.com>
+Date: Sun, 22 Jul 2018 11:37:04 -0700
+Subject: [PATCH] building: only call check_crls() if LIBCURL support is
+ compiled in
+
+Noted by Daniel M. Weeks
+---
+ programs/pluto/timer.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/programs/pluto/timer.c b/programs/pluto/timer.c
+index b8a465a91b..4e82e634ea 100644
+--- a/programs/pluto/timer.c
++++ b/programs/pluto/timer.c
+@@ -432,7 +432,9 @@ static void timer_event_cb(evutil_socket_t fd UNUSED, const short event UNUSED,
+ 		break;
+ 
+ 	case EVENT_CHECK_CRLS:
++#ifdef LIBCURL
+ 		check_crls();
++#endif
+ 		break;
+ 
+ 	case EVENT_v2_RELEASE_WHACK:

net-vpn/libreswan/libreswan-3.25.ebuild

@@ -50,6 +50,8 @@ usetf() {
 }
 
 src_prepare() {
+	eapply "${FILESDIR}/${P}-no-curl.patch"
+
 	sed -i -e 's:/sbin/runscript:/sbin/openrc-run:' initsystems/openrc/ipsec.init.in || die
 	sed -i -e '/^install/ s/postcheck//' -e '/^doinstall/ s/oldinitdcheck//' initsystems/systemd/Makefile || die
 	default