[powerkey] Include system-ui dbus constants

The powerkey module used to use hard-coded device lock D-Bus API
strings. Now that symbolic names are used, the include file where
the constants are defined needs to be included.

Signed-off-by: Simo Piiroinen <simo.piiroinen@jollamobile.com>

.depend

@@ -961,6 +961,7 @@ powerkey.o:\
 	mce.h\
 	modules/doubletap.h\
 	powerkey.h\
+	systemui/dbus-names.h\
 	tklock.h\
 
 powerkey.pic.o:\
@@ -978,6 +979,7 @@ powerkey.pic.o:\
 	mce.h\
 	modules/doubletap.h\
 	powerkey.h\
+	systemui/dbus-names.h\
 	tklock.h\
 
 tests/ut/ut_display.o:\

powerkey.c

@@ -35,6 +35,8 @@
 
 #include "modules/doubletap.h"
 
+#include "systemui/dbus-names.h"
+
 #ifdef ENABLE_WAKELOCKS
 # include "libwakelock.h"
 #endif