Increment gps sec before sending ADC/timing data to user models

This matches the behavior of the userspace IOP to the kernel IOP.
If the gps second is not incremented at the start of cycle 0,
it causes IPC errors as receiver and sender timestamps disagree.

src/fe/controllerIopUser.c

@@ -523,6 +523,23 @@ fe_start_iop_user( )
         if ( adcinfo.adcHoldTime < 0 )
             adcinfo.adcHoldTime += 1000000;
 
+        if ( cycleNum == 0 )
+        {
+            pLocalEpics->epicsOutput.awgStat =
+                ( pEpicsComms->padSpace.awgtpman_gps != timeSec );
+            if ( pLocalEpics->epicsOutput.awgStat )
+                feStatus |= FE_ERROR_AWG;
+            // Increment GPS second on cycle 0
+            timeSec++;
+            cycle_gps_time = timeSec;
+            pLocalEpics->epicsOutput.timeDiag = timeSec;
+	    // Compare vs realtime clock
+	    clock_gettime(CLOCK_REALTIME, &myTimer[0]);
+	    pdiff = (myTimer[0].tv_nsec + 500)/1000;
+	    if (pdiff > 500000) { pdiff -= 1000000; }
+            pLocalEpics->epicsOutput.irigbTime = pdiff;
+        }
+
         ioMemCntr = ( cycleNum % IO_MEMORY_SLOTS );
         // Write GPS time and cycle count as indicator to control app that adc data is
         // ready
@@ -545,23 +562,6 @@ fe_start_iop_user( )
         ioMemData->gpsSecond = timeSec;
         clock_gettime( CLOCK_MONOTONIC, &cpuClock[ CPU_TIME_CYCLE_START ] );
 
-        if ( cycleNum == 0 )
-        {
-            pLocalEpics->epicsOutput.awgStat =
-                ( pEpicsComms->padSpace.awgtpman_gps != timeSec );
-            if ( pLocalEpics->epicsOutput.awgStat )
-                feStatus |= FE_ERROR_AWG;
-            // Increment GPS second on cycle 0
-            timeSec++;
-            cycle_gps_time = timeSec;
-            pLocalEpics->epicsOutput.timeDiag = timeSec;
-	    // Compare vs realtime clock
-	    clock_gettime(CLOCK_REALTIME, &myTimer[0]);
-	    pdiff = (myTimer[0].tv_nsec + 500)/1000;
-	    if (pdiff > 500000) { pdiff -= 1000000; }
-            pLocalEpics->epicsOutput.irigbTime = pdiff;
-        }
-
         /// \> Call the front end specific application  ******************\n
         /// - -- This is where the user application produced by RCG gets called
         /// and executed. \n\n