gnu: Add rust-rpassword-4.

* gnu/packages/crates-io.scm (rust-rpassword-4): New variable.

gnu/packages/crates-io.scm

@@ -18860,6 +18860,28 @@ (define-public rust-ron-0.4
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-rpassword-4
+  (package
+    (name "rust-rpassword")
+    (version "4.0.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "rpassword" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0jnl8wzmdazkpzqs0vsw0n0vm0v4b8chqifd6s84nl9w2ybhx7ym"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-libc" ,rust-libc-0.2)
+        ("rust-winapi" ,rust-winapi-0.3))))
+    (home-page "https://github.com/conradkleinespel/rpassword")
+    (synopsis "Read passwords in Rust console applications")
+    (description "This package provides a crate for reading passwords in
+console applications.")
+  (license license:asl2.0)))
+
 (define-public rust-rust-argon2-0.7
   (package
     (name "rust-rust-argon2")