gnu: rust-glutin: Add 0.28.0.

* gnu/packages/crates-graphics.scm (rust-glutin-0.28): New variable.
(rust-glutin-0.26): Inherit from it.

gnu/packages/crates-graphics.scm

@@ -966,8 +966,48 @@ (define-public rust-gleam-0.6
      "Generated OpenGL bindings and wrapper for Servo.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-glutin-0.28
+  (package
+    (name "rust-glutin")
+    (version "0.28.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "glutin" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "1lpnf61x4jbm55bpdr10k1a1pl3cs719i9y4qibsdj2bajz9vsh0"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-android-glue" ,rust-android-glue-0.2)
+        ("rust-cgl" ,rust-cgl-0.3)
+        ("rust-cocoa" ,rust-cocoa-0.24)
+        ("rust-core-foundation" ,rust-core-foundation-0.9)
+        ("rust-glutin-egl-sys" ,rust-glutin-egl-sys-0.1)
+        ("rust-glutin-emscripten-sys" ,rust-glutin-emscripten-sys-0.1)
+        ("rust-glutin-gles2-sys" ,rust-glutin-gles2-sys-0.1)
+        ("rust-glutin-glx-sys" ,rust-glutin-glx-sys-0.1)
+        ("rust-glutin-wgl-sys" ,rust-glutin-wgl-sys-0.1)
+        ("rust-lazy-static" ,rust-lazy-static-1)
+        ("rust-libloading" ,rust-libloading-0.7)
+        ("rust-log" ,rust-log-0.4)
+        ("rust-objc" ,rust-objc-0.2)
+        ("rust-osmesa-sys" ,rust-osmesa-sys-0.1)
+        ("rust-parking-lot" ,rust-parking-lot-0.11)
+        ("rust-wayland-egl" ,rust-wayland-egl-0.29)
+        ("rust-winapi" ,rust-winapi-0.3)
+        ("rust-winit" ,rust-winit-0.26))))
+    (inputs
+     (list rust-wayland-client-0.29 rust-wayland-egl-0.29))
+    (home-page "https://github.com/tomaka/glutin")
+    (synopsis "Cross-platform OpenGL context provider")
+    (description "This package provides an OpenGL context provider.")
+    (license license:asl2.0)))
+
 (define-public rust-glutin-0.26
   (package
+    (inherit rust-glutin-0.28)
     (name "rust-glutin")
     (version "0.26.0")
     (source
@@ -977,7 +1017,6 @@ (define-public rust-glutin-0.26
        (file-name (string-append name "-" version ".tar.gz"))
        (sha256
         (base32 "18szbh4dixcr7pmymvbrpv21hv0wrpii5w03rv2534bb2ywwpq8s"))))
-    (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
        (("rust-android-glue" ,rust-android-glue-0.2)
@@ -999,11 +1038,7 @@ (define-public rust-glutin-0.26
         ("rust-winapi" ,rust-winapi-0.3)
         ("rust-winit" ,rust-winit-0.24))))
     (inputs
-     (list rust-wayland-client-0.28 rust-wayland-egl-0.28))
+     (list rust-wayland-client-0.28 rust-wayland-egl-0.28))))
-    (home-page "https://github.com/tomaka/glutin")
-    (synopsis "Cross-platform OpenGL context provider")
-    (description "This package provides an OpenGL context provider.")
-    (license license:asl2.0)))
 
 (define-public rust-glutin-0.22
   (package