gnu: guile-config: Update to 0.4.2.

* gnu/packages/guile-xyz.scm (guile-config): Update to 0.4.2.

gnu/packages/guile-xyz.scm

@@ -1396,7 +1396,7 @@ PostgreSQL.")
 (define-public guile-config
   (package
     (name "guile-config")
-    (version "0.4.1")
+    (version "0.4.2")
     (source
      (origin
        (method git-fetch)
@@ -1405,7 +1405,7 @@ PostgreSQL.")
              (commit version)))
        (file-name (git-file-name name version))
        (sha256 (base32
-                "1c59ch96d5p4c7si8qp55fdc15375klf2hyh29y3ap8ahqx9pxqj"))))
+                "09028ylbddjdp3d67zdjz3pnsjqz6zs2bfck5rr3dfaa0qjap40n"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("autoconf" ,autoconf)