gnu: Add rust-opener-0.4.

* gnu/packages/crates-io.scm (rust-opener-0.4): New variable.

gnu/packages/crates-io.scm

@@ -27328,6 +27328,29 @@ contents.")
 the system.")
     (license license:expat)))
 
+(define-public rust-opener-0.4
+  (package
+    (name "rust-opener")
+    (version "0.4.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "opener" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1bpknqvhqkalhmq8n2m97apc0r3y194ppybl1qxay34xr83p848k"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-winapi" ,rust-winapi-0.3))))
+    (home-page "https://github.com/Seeker14491/opener")
+    (synopsis "Open a file or link using the system default program")
+    (description "This crate provides the ability to open a file or link with
+the default program configured on the system.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-openssl-0.10
   (package
     (name "rust-openssl")