net-p2p/syncthing: require <dev-lang/go-1.13

Having checked upstream, 1.13 is not supported by any of the versions
currently in Gentoo. On the other hand, we have removed versions
older than 1.12 so there is presently no need for the lower version
limit.

Closes: https://bugs.gentoo.org/693922
Package-Manager: Portage-2.3.69, Repoman-2.3.16
Signed-off-by: Marek Szuba <marecki@gentoo.org>

net-p2p/syncthing/syncthing-1.1.4.ebuild

@@ -71,7 +71,7 @@ SLOT="0"
 KEYWORDS="amd64 arm x86"
 IUSE="selinux tools"
 
-BDEPEND=">=dev-lang/go-1.12"
+BDEPEND="<dev-lang/go-1.13"
 RDEPEND="selinux? ( sec-policy/selinux-syncthing )"
 
 DOCS=( README.md AUTHORS CONTRIBUTING.md )

net-p2p/syncthing/syncthing-1.2.1.ebuild

@@ -79,7 +79,7 @@ SLOT="0"
 KEYWORDS="~amd64 ~arm ~x86"
 IUSE="selinux tools"
 
-BDEPEND=">=dev-lang/go-1.12"
+BDEPEND="<dev-lang/go-1.13"
 RDEPEND="acct-group/syncthing
 	acct-user/syncthing
 	tools? ( acct-group/stdiscosrv