fix screensaver configuration

tasks/main.yaml

@@ -21,6 +21,7 @@
 - import_tasks: clean.yaml
 
 - import_tasks: xfce.yaml
+- import_tasks: screensaver.yaml
 - import_tasks: backgrounds.yaml
 - import_tasks: fonts.yaml
 

tasks/screensaver.yaml

@@ -28,7 +28,7 @@
     dest: /etc/X11/Xresources/xscreensaver
 
 - name: gdmflexiserver dummy script
-  file:
+  copy:
     src: gdmflexiserver-fake.sh
     dest: /usr/local/bin/gdmflexiserver
     mode: 0755