gnu: freeglut: Update to 3.2.1.

* gnu/packages/gl.scm (freeglut): Update to 3.2.1.
[inputs]: Remove MESA, XORGPROTO and XINPUT.

gnu/packages/gl.scm

@@ -96,7 +96,7 @@ as ASCII text.")
 (define-public freeglut
   (package
     (name "freeglut")
-    (version "3.0.0")
+    (version "3.2.1")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -104,16 +104,13 @@ as ASCII text.")
                     version "/freeglut-" version ".tar.gz"))
               (sha256
                (base32
-                "18knkyczzwbmyg8hr4zh8a1i5ga01np2jzd1rwmsh7mh2n2vwhra"))))
+                "0s6sk49q8ijgbsrrryb7dzqx2fa744jhx1wck5cz5jia2010w06l"))))
     (build-system cmake-build-system)
     (arguments '(#:tests? #f)) ; no test target
-    (inputs `(("mesa" ,mesa)
-              ("libx11" ,libx11)
+    (inputs `(("libx11" ,libx11)
               ("libxi" ,libxi)
               ("libxrandr" ,libxrandr)
-              ("libxxf86vm" ,libxxf86vm)
-              ("xorgproto" ,xorgproto)
-              ("xinput" ,xinput)))
+              ("libxxf86vm" ,libxxf86vm)))
     (propagated-inputs
      ;; Headers from Mesa and GLU are needed.
      `(("glu" ,glu)