gnu: massif-visualizer: Update to 0.8.0.

* gnu/packages/kde.scm (massif-visualizer): Update to 0.8.0.
[inputs]: Remove qtbase-5, qtsvg-5, and qtxmlpatterns; add qtsvg and qt5compat.
[build-system]: Switch to qt-build-system.
[arguments]: Set #:qtbase to qtbase.

Change-Id: I03e7b6eb19fc4ec863aba054b27e9ee2b7f8d481

gnu/packages/kde.scm

@@ -899,7 +899,7 @@ (define-public krita
 (define-public massif-visualizer
   (package
     (name "massif-visualizer")
-    (version "0.7.0")
+    (version "0.8.0")
     (source
      (origin
        (method url-fetch)
@@ -907,8 +907,8 @@ (define-public massif-visualizer
              "mirror://kde/stable/massif-visualizer/" version
              "/src/massif-visualizer-" version ".tar.xz"))
        (sha256
-        (base32 "0v8z6r9gngzckvqyxjm9kp7hilwfqibyk2f9vag9l98ar0iwr97q"))))
-    (build-system cmake-build-system)
+        (base32 "104ab36c4djdb7fndpg0gvak3wlr5i7cni5prz46pfwz1l73zbaz"))))
+    (build-system qt-build-system)
     (native-inputs
      (list extra-cmake-modules pkg-config shared-mime-info))
     (inputs
@@ -919,9 +919,9 @@ (define-public massif-visualizer
            kgraphviewer
            kio
            ki18n
-           qtbase-5
-           qtsvg-5
-           qtxmlpatterns))
+           qtsvg
+           qt5compat))
+    (arguments (list #:qtbase qtbase))
     (home-page "https://apps.kde.org/massif-visualizer/")
     (synopsis "Visualize massif data generated by Valgrind")
     (description