do not clear det_expected in segments belonging to other trains

diff --git a/hostside/safety.c b/hostside/safety.c
index 198971d72ab06dbb1d8e3474b0dc98e1f75c269f..0b2a8d46ee0650f2073a00efa89d3d02c0f26c20 100644 (file)
--- a/hostside/safety.c
+++ b/hostside/safety.c
@@ -720,7 +720,8 @@ ErrorCode predict(Train *tra, struct timeval tnow, unsigned flags,
                            .pname : "");
 
   FOR_SEG {
-    seg->det_expected= 0;
+    if (!seg->owner || seg->owner == u.train)
+      seg->det_expected= 0;
     seg->now_present= seg->pred_present=
       seg->pred_vacated= seg->will_polarise= 0;
   }