gnu: go-github-com-mitchellh-copystructure: Move to golang-xyz.

* gnu/packages/golang.scm (go-github-com-mitchellh-copystructure): Move
from here ...
* gnu/packages/golang-xyz.scm: ... to here.

Change-Id: I7c0276bdd98961223760bc809707a92f6d1231bb

gnu/packages/golang-xyz.scm

@@ -8204,6 +8204,35 @@ colored strings.")
      "Colorstring provides functions for colorizing strings for terminal output.")
     (license license:expat)))
 
+(define-public go-github-com-mitchellh-copystructure
+  (package
+    (name "go-github-com-mitchellh-copystructure")
+    (version "1.2.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/mitchellh/copystructure")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1izw243b3r03nvgnnxvk706l3s3v3q7k69kq3n4asnzjkcymq7sm"))))
+    (build-system go-build-system)
+    (arguments
+     (list
+      #:import-path "github.com/mitchellh/copystructure"))
+    (propagated-inputs
+     (list go-github-com-mitchellh-reflectwalk))
+    (home-page "https://github.com/mitchellh/copystructure")
+    (synopsis "Go library for decoding deep copying values")
+    (description "@code{copystructure} is a Go library for deep copying values
+in Go.
+
+This allows you to copy Go values that may contain reference values such as
+maps, slices, or pointers, and copy their data as well instead of just their
+references.")
+    (license license:expat)))
+
 (define-public go-github-com-mitchellh-go-homedir
   (package
     (name "go-github-com-mitchellh-go-homedir")

gnu/packages/golang.scm

@@ -3441,35 +3441,6 @@ file system.  Walking a complex structure can allow you to do manipulations on
 unknown structures such as those decoded from JSON.")
     (license license:expat)))
 
-(define-public go-github-com-mitchellh-copystructure
-  (package
-    (name "go-github-com-mitchellh-copystructure")
-    (version "1.2.0")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/mitchellh/copystructure")
-             (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "1izw243b3r03nvgnnxvk706l3s3v3q7k69kq3n4asnzjkcymq7sm"))))
-    (build-system go-build-system)
-    (arguments
-     `(#:import-path "github.com/mitchellh/copystructure"))
-    (propagated-inputs
-     (list go-github-com-mitchellh-reflectwalk))
-    (home-page "https://github.com/mitchellh/copystructure")
-    (synopsis "Go library for decoding deep copying values")
-    (description "@code{copystructure} is a Go library for deep copying values
-in Go.
-
-This allows you to copy Go values that may contain reference values such as
-maps, slices, or pointers, and copy their data as well instead of just their
-references.")
-    (license license:expat)))
-
 (define-public go-github-com-whyrusleeping-tar-utils
   (let ((commit "8c6c8ba81d5c71fd69c0f48dbde4b2fb422b6dfc")
         (revision "0"))