gnu: libwebp: Update to 1.0.1.

* gnu/packages/image.scm (libwebp): Update to 1.0.1.

gnu/packages/image.scm

@@ -919,7 +919,7 @@ language bindings to VIGRA.")
 (define-public libwebp
   (package
     (name "libwebp")
-    (version "1.0.0")
+    (version "1.0.1")
     (source
      (origin
        ;; No tarballs are provided for >0.6.1.
@@ -930,7 +930,7 @@ language bindings to VIGRA.")
        (file-name (git-file-name name version))
        (sha256
         (base32
-         "1w8jzdbr1s4238ygyrlxryycss3f2z6d9amxdq8m82nl3l6skar4"))))
+         "09l4pq4k2acglkmwr96arn79rssl54sv7vrdrgsxqlg7v8c882zh"))))
     (build-system gnu-build-system)
     (inputs
      `(("freeglut" ,freeglut)