gnu: Add rust-gobject-sys-0.9.

* gnu/packages/crates-io.scm (rust-gobject-sys-0.9): New variable.

gnu/packages/crates-io.scm

@@ -6682,6 +6682,36 @@ path simultaneously, and returning all of the globs that matched.")
     (description "The wgl bindings for glutin.")
     (license license:asl2.0)))
 
+(define-public rust-gobject-sys-0.9
+  (package
+    (name "rust-gobject-sys")
+    (version "0.9.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "gobject-sys" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1nakflbp3gjaas4fw7sn3p1p32khyfpcq1h06z7yqd10yq2ail9i"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:tests? #f      ; Some test libraries not included in release.
+       #:cargo-inputs
+       (("rust-glib-sys" ,rust-glib-sys-0.9)
+        ("rust-libc" ,rust-libc-0.2)
+        ("rust-pkg-config" ,rust-pkg-config-0.3))
+       #:cargo-development-inputs
+       (("rust-shell-words" ,rust-shell-words-0.1)
+        ("rust-tempfile" ,rust-tempfile-3.1))))
+    (inputs
+     `(("glib" ,glib)))
+    (home-page "http://gtk-rs.org/")
+    (synopsis "FFI bindings to libgobject-2.0")
+    (description "This package provides FFI bindings to libgobject-2.0.")
+    (license license:expat)))
+
 (define-public rust-goblin-0.0
   (package
     (name "rust-goblin")