Add a patch to fix grabbing mirror lists over https

Note that people are using mirror_type: http when they should not
most probably due to bad documentation on our side so we will improve that later

mirror_type: http is only useful if you actually host multiple mirror of your
repos see pkg-repository(5).

ports-mgmt/pkg/Makefile

@@ -2,6 +2,7 @@
 
 PORTNAME=	pkg
 DISTVERSION=	1.8.4
+PORTREVISION=	1
 _PKG_VERSION=	${DISTVERSION}
 CATEGORIES=	ports-mgmt
 MASTER_SITES=	\

ports-mgmt/pkg/files/patch-https-mirrors

@@ -0,0 +1,19 @@
+diff --git libpkg/fetch.c libpkg/fetch.c
+index 4804ad0..16ab9c7 100644
+--- libpkg/fetch.c
++++ libpkg/fetch.c
+@@ -549,8 +549,12 @@ pkg_fetch_file_to_fd(struct pkg_repo *repo, const char *url, int dest,
+ 				srv_current = repo->srv;
+ 			} else if (repo != NULL && repo->mirror_type == HTTP &&
+ 			           strncmp(u->scheme, "http", 4) == 0) {
+-				if (u->port == 0)
+-					u->port = 80;
++				if (u->port == 0) {
++					if (strcmp(u->scheme, "https") == 0)
++						u->port = 443;
++					else
++						u->port = 80;
++				}
+ 				snprintf(zone, sizeof(zone),
+ 				    "%s://%s:%d", u->scheme, u->host, u->port);
+ 				if (repo->http == NULL)