x11: Added DISPLAY_MANAGER into package priorities

features.in/x11/config.mk

@@ -77,9 +77,10 @@ use/x11/wacom: use/x11
 	@$(call add,THE_PACKAGES,xorg-drv-wacom)
 
 ## display managers
-use/x11/dm: use/x11-autostart
+use/x11/dm: use/x11-autostart use/pkgpriorities
 	@$(call try,THE_DISPLAY_MANAGER,xdm)
 	@$(call add,THE_PACKAGES,$$(THE_DISPLAY_MANAGER))
+	@$(call add,PINNED_PACKAGES,$$(THE_DISPLAY_MANAGER))
 	@$(call add,DEFAULT_SERVICES_ENABLE,$$(THE_DM_SERVICE))
 
 use/x11/lightdm/gtk use/x11/lightdm/slick \