[gnome-applets] brightness: fix distcheck

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 9d68c1de1bd657c23258f3d16f388809869e7b75
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Sep 27 21:17:10 2015 +0300

    brightness: fix distcheck

 brightness/Makefile.am |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/brightness/Makefile.am b/brightness/Makefile.am
index 5b2d1bb..0a1fff5 100644
--- a/brightness/Makefile.am
+++ b/brightness/Makefile.am
@@ -29,12 +29,12 @@ gnome_brightness_applet_LDADD =                                     \
        $(GNOME_APPLETS_LIBS)
 
 dbus-brightness.h:
-dbus-brightness.c: org.gnome.SettingsDaemon.Power.Screen.xml Makefile.am
+dbus-brightness.c: org.gnome.SettingsDaemon.Power.Screen.xml
        $(AM_V_GEN) gdbus-codegen \
                --interface-prefix=org.gnome. \
                --generate-c-code dbus-brightness \
                --c-namespace DBus \
-               org.gnome.SettingsDaemon.Power.Screen.xml
+               $(srcdir)/org.gnome.SettingsDaemon.Power.Screen.xml
 
 appletdir       = $(LIBPANEL_APPLET_DIR)
 applet_in_files = org.gnome.BrightnessApplet.panel-applet.in
@@ -69,6 +69,7 @@ CLEANFILES = $(applet_DATA) $(applet_DATA).in $(BUILT_SOURCES) $(service_DATA)
 
 EXTRA_DIST = \
        org.gnome.BrightnessApplet.panel-applet.in.in \
+       org.gnome.SettingsDaemon.Power.Screen.xml \
        $(ui_DATA) \
        $(service_in_files)