gnu: giac: Update to 1.5.0-63.

* gnu/packages/algebra.scm (giac): Update to 1.5.0-63.

gnu/packages/algebra.scm

@@ -345,7 +345,7 @@ precision.")
 (define-public giac
   (package
     (name "giac")
-    (version "1.5.0-61")
+    (version "1.5.0-63")
     (source (origin
               (method url-fetch)
               ;; "~parisse/giac" is not used because the maintainer regularly
@@ -357,7 +357,7 @@ precision.")
                                   "source/giac_" version ".tar.gz"))
               (sha256
                (base32
-                "050vzpqq77fhky32sbisc0ysimgp60xjv39q7y45jkaabdkmclwh"))))
+                "1jp7awyp8j8w6fhn802z8ddbq1fxhkyk9xdf0mq0mm0chpkylwqk"))))
     (build-system gnu-build-system)
     (arguments
      `(#:modules ((ice-9 ftw)