gnu: Add rust-rusticata-macros-4.

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

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu/packages/crates-io.scm

@@ -13624,6 +13624,28 @@ number ``crunching``.")
 common cryptographic algorithms.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-rusticata-macros-4
+  (package
+    (name "rust-rusticata-macros")
+    (version "4.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "rusticata-macros" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "03dmfxhgwzpm1360iwcpcg3y18ddgya0i0hc599am212pdvj7ib5"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-nom" ,rust-nom-7))))
+    (home-page "https://github.com/rusticata/rusticata-macros")
+    (synopsis "Helper macros for Rusticata")
+    (description "Helper macros for Rusticata.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-rusticata-macros-3
   (package
     (name "rust-rusticata-macros")