gnu: foo2zjs: Update to 20190413.

* gnu/packages/cups.scm (foo2zjs): Update to 20190413.

gnu/packages/cups.scm

@@ -633,14 +633,14 @@ (define-public foomatic-filters
 (define-public foo2zjs
   (package
     (name "foo2zjs")
-    (version "20180910")
+    (version "20190413")
     (source (origin
               (method url-fetch)
               ;; XXX: This is an unversioned URL!
               (uri "http://foo2zjs.rkkda.com/foo2zjs.tar.gz")
               (sha256
                (base32
-                "1clddqy4y4vvws0lllv1v90dfiihihdc23bn93c544yb3fvmwmr6"))))
+                "00k22vmghxls7rk2hrbz9v17wi5z8vdk3fmsp2lrfghfcad8nhpx"))))
     (build-system gnu-build-system)
     (arguments
      '(#:phases (modify-phases %standard-phases