gnu: libdom: Update to 0.4.0.

* gnu/packages/web.scm (libdom)[source]: Update to 0.4.0.  Remove use of
"name" in source url.

gnu/packages/web.scm

@@ -4399,15 +4399,15 @@ written in C.  It is developed as part of the NetSurf project.")
 (define-public libdom
   (package
     (name "libdom")
-    (version "0.3.3")
+    (version "0.4.0")
     (source
      (origin
        (method url-fetch)
        (uri (string-append "http://download.netsurf-browser.org/libs/releases/"
-                           name "-" version "-src.tar.gz"))
+                           "libdom-" version "-src.tar.gz"))
        (sha256
         (base32
-         "1919757mdl3gii2pl6kzm8b1cal0h06r5nqd2y0kny6hc5yrhsp0"))))
+         "1ixkqsl3f7dl1kajksm0c231w1v5xy8z6hm3v67hgm9nh4qcvfcy"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("netsurf-buildsystem" ,netsurf-buildsystem)