init: Allow services to start before property triggers are up

Change-Id: I4f87657123bea88b7b5c537781868908d8d66b01
diff --git a/init/property_service.h b/init/property_service.h
index 5bfa46c..045d20a 100644
--- a/init/property_service.h
+++ b/init/property_service.h
@@ -23,6 +23,7 @@
 void get_property_workspace(int *fd, int *sz);
 extern const char* property_get(const char *name);
 extern int property_set(const char *name, const char *value);
+extern int properties_inited();
 int get_property_set_fd(void);
 
 #endif	/* _INIT_PROPERTY_H */