gnu: xpdf: Update to 4.02.

* gnu/packages/pdf.scm (xpdf): Update to 4.02.

gnu/packages/pdf.scm

@@ -272,13 +272,14 @@ reading and editing of existing PDF files.")
 (define-public xpdf
   (package
    (name "xpdf")
-   (version "3.04")
-   (source (origin
+   (version "4.02")
+   (source
+    (origin
       (method url-fetch)
-            (uri (string-append "ftp://ftp.foolabs.com/pub/xpdf/xpdf-"
-                                version ".tar.gz"))
-            (sha256 (base32
-                     "1rbp54mr3z2x3a3a1qmz8byzygzi223vckfam9ib5g1sfds0qf8i"))))
+      (uri (string-append "https://xpdfreader-dl.s3.amazonaws.com/xpdf-"
+                          version "4.02.tar.gz"))
+      (sha256
+       (base32 "1rbp54mr3z2x3a3a1qmz8byzygzi223vckfam9ib5g1sfds0qf8i"))))
    (build-system gnu-build-system)
    (inputs `(("freetype" ,freetype)
              ("gs-fonts" ,gs-fonts)