guix.scm: Update mescc-tools to 0.4.

* guix.scm (mescc-tools): Update to 0.4.

guix.scm

@@ -131,7 +131,7 @@ extensive examples, including parsers for the Javascript and C99 languages.")
 (define-public mescc-tools
   (package
     (name "mescc-tools")
-    (version "0.2")
+    (version "0.4")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -141,14 +141,18 @@ extensive examples, including parsers for the Javascript and C99 languages.")
               (file-name (string-append name "-" version ".tar.gz"))
               (sha256
                (base32
-                "0gmyczh88xcsmrmxqksbpaqidchj5hfqxqk7apx40k9r3vav6mnz"))))
+                "1iwc8xqwzdaqckb4jkkisljrgn8ii4bl7dzk1l2kpv98hsyq9vi1"))))
     (build-system gnu-build-system)
     (supported-systems '("i686-linux" "x86_64-linux"))
     (arguments
      `(#:make-flags (list (string-append "PREFIX=" (assoc-ref %outputs "out")))
        #:test-target "test"
        #:phases (modify-phases %standard-phases
-                  (delete 'configure))))
+                  (delete 'configure)
+                  (add-after 'install 'install-2
+                    (lambda _
+                      (let ((out (assoc-ref %outputs "out")))
+                       (copy-file "bin/blood-elf" (string-append out "/bin/blood-elf"))))))))
     (synopsis "Tools for the full source bootstrapping process")
     (description
      "Mescc-tools is a collection of tools for use in a full source