Add xfwm4-themes as a dependency

pkg.info

@@ -1,9 +1,25 @@
 name: xfce4
 description: The Xfce Desktop Environment
-version: 4.20
+version: "4.20"
-revision: 2
+revision: 3
 url: https://www.xfce.org/
 architecture: any
-depends: ["exo","garcon","thunar","thunar-volman","tumbler","xfce4-appfinder","xfce4-panel","xfce4-power-manager","xfce4-session","xfce4-settings","xfce4-terminal","xfconf","xfdesktop","xfwm4"]
-replaces: ["xfce"]
 type: source
+depends:
+  - exo
+  - garcon
+  - thunar
+  - thunar-volman
+  - tumbler
+  - xfce4-appfinder
+  - xfce4-panel
+  - xfce4-power-manager
+  - xfce4-session
+  - xfce4-settings
+  - xfce4-terminal
+  - xfconf
+  - xfdesktop
+  - xfwm4
+  - xfwm4-themes
+replaces:
+  - xfce