- Fixed a bug in poldifold which caused a crash whne the HM data was not initialized

- The astrium chopper controller requires floats with a . and retuns them with a , .
  Accomodated for this quirk

poldifold.c

@@ -61,6 +61,14 @@ static int PoldiFold (pSConnection pCon, pSicsInterp pInter, void
   nDet = dim->value.v.intArray[0];  
   nSourceTof = dim->value.v.intArray[1];
 
+  /*
+    check for badly initailized data array 
+  */
+  if(source->value.arrayLength < nDet*nSourceTof){
+    SCWrite(pCon,"ERROR: hm data not initialised to correct length!", eError);
+    return 0;
+  }
+
   /*
     ensure enough space to write
   */