hostside: realtime.h: add comment referring to definitions of Train and Segment

diff --git a/hostside/realtime.h b/hostside/realtime.h
index 02635a0288ee7445926eb409f95682f610183698..9ff9b3e0769e4c26c26a16f784b4ad1a0bd06112 100644 (file)
--- a/hostside/realtime.h
+++ b/hostside/realtime.h
@@ -23,8 +23,8 @@
 #include "../layout/layout-data.h"
 #include "realtime+dflags.h"
 
-typedef struct Segment Segment;
-typedef struct Train Train;
+typedef struct Segment Segment; /* from safety.h */
+typedef struct Train Train; /* from safety.h */
 typedef struct TimeoutEvent TimeoutEvent;
 
 /*---------- from retransmit.c ----------*/