gnu: libxshmfence: Update to 1.3.

* gnu/packages/xorg.scm (libxshmfence): Update to 1.3.

gnu/packages/xorg.scm

@@ -1028,7 +1028,7 @@ of new capabilities and controls for text keyboards.")
 (define-public libxshmfence
   (package
     (name "libxshmfence")
-    (version "1.2")
+    (version "1.3")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -1036,7 +1036,7 @@ of new capabilities and controls for text keyboards.")
                     name "-" version ".tar.bz2"))
               (sha256
                (base32
-                "032b0nlkdrpbimdld4gqvhqx53rzn8fawvf1ybhzn7lcswgjs6yj"))))
+                "1ir0j92mnd1nk37mrv9bz5swnccqldicgszvfsh62jd14q6k115q"))))
     (build-system gnu-build-system)
     (native-inputs `(("pkg-config" ,pkg-config)))
     (inputs `(("xproto" ,xproto)))