Add some initialisaton for each new scan, so we don't reuse old data

r3656 | dcl | 2012-07-19 14:58:21 +1000 (Thu, 19 Jul 2012) | 1 line

diffscan.c

@@ -178,6 +178,7 @@ static int StartDiffScan(pDiffScan self, pScanData pScan,
   self->scaleMonitor = (int)ObVal(self->parArray,DIFFMONITOR);
   self->normalizationScale = -1;
   pScan->iCounts = 0;
+  pScan->iNP = 0;
   
   /*
     get variable
@@ -188,7 +189,8 @@ static int StartDiffScan(pDiffScan self, pScanData pScan,
     SCWrite(pCon,"ERROR: cannot access scan variable",eError);
     return 0;
   }
-  
+  InitScanVar(pVar);
+
   /*
     drive to start position
   */