12/55: gnu: gtkmm: Update to 3.20.1.

[???]

iyzsong pushed a commit to branch gnome-updates
in repository guix.

commit d8a87890d536b2c415df16c8255a821201d65b14
Author: 宋文武 <address@hidden>
Date:   Thu Apr 28 09:00:23 2016 +0800

    gnu: gtkmm: Update to 3.20.1.
    
    * gnu/packages/gtk.scm (gtkmm): Update to 3.20.1.
---
 gnu/packages/gtk.scm |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/gtk.scm b/gnu/packages/gtk.scm
index 5b901b9..7e81a81 100644
--- a/gnu/packages/gtk.scm
+++ b/gnu/packages/gtk.scm
@@ -905,7 +905,7 @@ toolkit.")
 (define-public gtkmm
   (package
     (name "gtkmm")
-    (version "3.20.0")
+    (version "3.20.1")
     (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnome/sources/" name "/"
@@ -913,7 +913,7 @@ toolkit.")
                                  name "-" version ".tar.xz"))
              (sha256
               (base32
-               "12h2kd22iayvjfhmgjccm33igrbvqdj7hym31fsa1y0dhwzmf8gh"))))
+               "04n631a127pyidaz82ypdy9syq1hzj636r32y9hyr9kcfnwf2785"))))
     (build-system gnu-build-system)
     (native-inputs `(("pkg-config" ,pkg-config)
                      ("glib" ,glib "bin")        ;for 'glib-compile-resources'