mate-desktop.org.eclass: use HTTPS only for default URLs

Enforce use of HTTPS for accessing GitHub, as http:// and git:// URLs do
not provide authentication of the server. The Mate home page is also
accessible via https:// so use HTTPS there as well.

eclass/mate-desktop.org.eclass

@@ -1,4 +1,4 @@
-# Copyright 1999-2016 Gentoo Foundation
+# Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: mate-desktop.org.eclass
@@ -50,15 +50,11 @@ inherit versionator
 
 # Set SRC_URI or EGIT_REPO_URI based on whether live
 if [[ ${PV} == 9999 ]]; then
-	EGIT_REPO_URI="
-		https://github.com/mate-desktop/${MATE_DESKTOP_ORG_PN}.git
-		git://github.com/mate-desktop/${MATE_DESKTOP_ORG_PN}.git
-		http://github.com/mate-desktop/${MATE_DESKTOP_ORG_PN}.git
-	"
+	EGIT_REPO_URI="https://github.com/mate-desktop/${MATE_DESKTOP_ORG_PN}.git"
 	SRC_URI=""
 else
-	SRC_URI="http://pub.mate-desktop.org/releases/${MATE_BRANCH}/${MATE_DESKTOP_ORG_PN}-${MATE_DESKTOP_ORG_PV}.tar.${MATE_TARBALL_SUFFIX}"
+	SRC_URI="https://pub.mate-desktop.org/releases/${MATE_BRANCH}/${MATE_DESKTOP_ORG_PN}-${MATE_DESKTOP_ORG_PV}.tar.${MATE_TARBALL_SUFFIX}"
 fi
 
 # Set HOMEPAGE for all ebuilds
-HOMEPAGE="http://mate-desktop.org"
+HOMEPAGE="https://mate-desktop.org"