gnu: imlib2: Update to 1.6.0.

* gnu/packages/image.scm (imlib2): Update to 1.6.0.
[inputs]: Add libwebp, libid3tag.

gnu/packages/image.scm

@@ -8,7 +8,7 @@
 ;;; Copyright © 2015 Amirouche Boubekki <amirouche@hypermove.net>
 ;;; Copyright © 2014, 2017 John Darrington <jmd@gnu.org>
 ;;; Copyright © 2016, 2017, 2018 Leo Famulari <leo@famulari.name>
-;;; Copyright © 2016, 2017, 2018 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2016, 2017, 2018, 2019 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2016, 2017, 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2016 Eric Bavier <bavier@member.fsf.org>
 ;;; Copyright © 2016, 2017 Arun Isaac <arunisaac@systemreboot.net>
@@ -63,6 +63,7 @@
   #:use-module (gnu packages man)
   #:use-module (gnu packages maths)
   #:use-module (gnu packages mcrypt)
+  #:use-module (gnu packages mp3)
   #:use-module (gnu packages perl)
   #:use-module (gnu packages photo)
   #:use-module (gnu packages pkg-config)
@@ -853,7 +854,7 @@ compose, and analyze GIF images.")
 (define-public imlib2
   (package
     (name "imlib2")
-    (version "1.5.1")
+    (version "1.6.0")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -861,7 +862,7 @@ compose, and analyze GIF images.")
                     "/imlib2-" version ".tar.bz2"))
               (sha256
                (base32
-                "1bms2iwmvnvpz5jqq3r52glarqkafif47zbh1ykz8hw85d2mfkps"))))
+                "07b9v3ycwhici35fnczvpyjpgkc7gbcdhajpl9dwhpzdzbfl1i6g"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("pkgconfig" ,pkg-config)))
@@ -873,6 +874,8 @@ compose, and analyze GIF images.")
        ("libpng" ,libpng)
        ("libtiff" ,libtiff)
        ("giflib" ,giflib)
+       ("libwebp" ,libwebp)
+       ("libid3tag" ,libid3tag)
        ("bzip2" ,bzip2)))
     (home-page "https://sourceforge.net/projects/enlightenment/")
     (synopsis