gnu: mpv: Update to 0.13.0.

* gnu/packages/video.scm (mpv): Update to 0.13.0.

gnu/packages/video.scm

@@ -690,7 +690,7 @@ SVCD, DVD, 3ivx, DivX 3/4/5, WMV and H.264 movies.")
 (define-public mpv
   (package
     (name "mpv")
-    (version "0.11.0")
+    (version "0.13.0")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -698,7 +698,7 @@ SVCD, DVD, 3ivx, DivX 3/4/5, WMV and H.264 movies.")
                     ".tar.gz"))
               (sha256
                (base32
-                "1njvmqzj8akan5y485gx4blynwiy52adw7zbbnnnvd3dwis725d2"))
+                "1nqjd64p4pj1lks9n9s8y4zf4dp5bz8pyd0gsvviww7mv17p0whk"))
               (file-name (string-append name "-" version ".tar.gz"))))
     (build-system waf-build-system)
     (native-inputs
@@ -739,10 +739,10 @@ SVCD, DVD, 3ivx, DivX 3/4/5, WMV and H.264 movies.")
                  (method url-fetch)
                  ;; Keep this in sync with the version in the bootstrap.py
                  ;; script of the source tarball.
-                 (uri "http://www.freehackers.org/~tnagy/release/waf-1.8.4")
+                 (uri "http://www.freehackers.org/~tnagy/release/waf-1.8.12")
                  (sha256
                   (base32
-                   "1a7skwgpl91adhcwlmdr76xzdpidh91hvcmj34zz6548bpx3a87h"))))
+                   "12y9c352zwliw0zk9jm2lhynsjcf5jy0k1qch1c1av8hnbm2pgq1"))))
        ("youtube-dl" ,youtube-dl)
        ("zlib" ,zlib)))
     (arguments