rosenthal: Add go-github-com-macronut-go-tproxy.

* rosenthal/packages/golang.scm (go-github-com-macronut-go-tproxy): New
variable.

rosenthal/packages/golang.scm

@@ -29,3 +29,26 @@
     (description
      "This package provides packet processing capabilities for Go.")
     (license license:bsd-3)))
+
+(define-public go-github-com-macronut-go-tproxy
+  (package
+    (name "go-github-com-macronut-go-tproxy")
+    (version "0.0.0-20190726054950-ef7efd7f24ed")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/FutureProtocolLab/go-tproxy")
+                    (commit (go-version->git-ref version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "0jibsg0xhsn0h1jq4g9qd4nr58w43y8majlwfri9ffk2cbfrwqdr"))))
+    (build-system go-build-system)
+    (arguments
+     '(#:import-path "github.com/macronut/go-tproxy"))
+    (home-page "https://github.com/FutureProtocolLab/go-tproxy")
+    (synopsis "Linux Transparent Proxy library")
+    (description
+     "Golang TProxy provides an easy to use wrapper for the Linux Transparent
+Proxy functionality.")
+    (license license:expat)))