Take arg_num out of arg_type_info
diff --git a/wait_for_something.c b/wait_for_something.c
index f699663..c65de41 100644
--- a/wait_for_something.c
+++ b/wait_for_something.c
@@ -111,7 +111,7 @@
 	if (stop_signal != (SIGTRAP | event.proc->tracesysgood)
 	    && stop_signal != SIGTRAP) {
 		event.thing = LT_EV_SIGNAL;
- 		event.e_un.signum = stop_signal;
+		event.e_un.signum = stop_signal;
 		return &event;
 	}