gnu: Add rust-cfg-aliases-0.1.

* gnu/packages/crates-io.scm (rust-cfg-aliases-0.1): New variable.

gnu/packages/crates-io.scm

@@ -7342,6 +7342,26 @@ (define-public rust-cexpr-0.2
        #:cargo-development-inputs
        (("rust-clang-sys" ,rust-clang-sys-0.11))))))
 
+(define-public rust-cfg-aliases-0.1
+  (package
+    (name "rust-cfg-aliases")
+    (version "0.1.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "cfg_aliases" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "17p821nc6jm830vzl2lmwz60g3a30hcm33nk6l257i1rjdqw85px"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/katharostech/cfg_aliases")
+    (synopsis "Utility to help you with long winded @code{#[cfg()]} checks")
+    (description
+     "CFG Aliases is a tiny utility to help save you a lot of effort with long
+winded @code{#[cfg()]} checks.")
+    (license license:expat)))
+
 (define-public rust-cfg-if-1
   (package
     (name "rust-cfg-if")