gnu: chrony: Update to 4.6.1.

* gnu/packages/ntp.scm (chrony): Update to 4.6.1.
[arguments]: Add ‘--with-ntp-era=0’ to #:configure-flags.

Change-Id: Ia84fce602df043aad4b6b6e519459d3a6469c486

gnu/packages/ntp.scm

@@ -51,16 +51,16 @@ (define-module (gnu packages ntp)
 (define-public chrony
   (package
     (name "chrony")
-    (version "4.5")
+    (version "4.6.1")
     (source
      (origin
        (method git-fetch)
        (uri (git-reference
-             (url "https://gitlab.com/chrony/chrony")
+             (url "https://gitlab.com/chrony/chrony.git/")
              (commit version)))
        (file-name (git-file-name name version))
        (sha256
-        (base32 "0w6wgpgvwidsfc4mmi5zb73y9lydzwgwxpj0q5r1m47gd1qxa24n"))))
+        (base32 "14z53iia83s25g9hpdh79j4gqi9lbp37nx1jcvxi8av3zlgzrz2p"))))
     (build-system gnu-build-system)
     (arguments
      (list
@@ -70,6 +70,7 @@ (define-public chrony
         (guix build gnu-build-system))
       #:configure-flags
       #~(list "--enable-scfilter"
+              "--with-ntp-era=0"
               "--with-sendmail=sendmail"
               "--with-user=chrony")
       #:phases