Index: trunk/psLib/src/astro/psTime.c
===================================================================
--- trunk/psLib/src/astro/psTime.c	(revision 2075)
+++ trunk/psLib/src/astro/psTime.c	(revision 2112)
@@ -11,6 +11,6 @@
  *  @author Ross Harman, MHPCC
  *
- *  @version $Revision: 1.32 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2004-10-13 19:04:42 $
+ *  @version $Revision: 1.33 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2004-10-14 03:02:30 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -1040,5 +1040,5 @@
     outTime->type = tai1->type;
     outTime->sec = tai1->sec - tai2->sec;
-    deltaUsec = tai1->usec - tai2->usec;
+    deltaUsec = (long)tai1->usec - (long)tai2->usec;
 
     // Adjust time in case of microsecond underflow after subtraction