[Fix] de-reference COMP_GETPAR3 return values

In the StatisticalChopper_Monitor.comp a `int *` component parameter is
retrieved but was not de-referenced, so the `int **` was inadvertently
assigned to an `int *` parameter.

mcstas-comps/contrib/StatisticalChopper_Monitor.comp

@@ -89,13 +89,10 @@ SAVE
   /* the detector file written by the Monitor_nD is stored in a 'MCDETECTOR detector' structure */
 
   /* get back information from the StatisticalChopper */
-  int *m_ptr = COMP_GETPAR3(StatisticalChopper, comp, m); /* number of appertures in the sequence */
-  int m = *m_ptr;
-  int *nslit_ptr = COMP_GETPAR3(StatisticalChopper, comp, nslit); /* length of the sequence (number of possible slits around disk) */
-  int nslit = *nslit_ptr;
-  double *nu_ptr = COMP_GETPAR3(StatisticalChopper, comp, nu);
-  double nu = *nu_ptr;
-  int *Sequence= COMP_GETPAR3(StatisticalChopper, comp, Sequence);
+  int m = *COMP_GETPAR3(StatisticalChopper, comp, m); /* number of appertures in the sequence */
+  int nslit = *COMP_GETPAR3(StatisticalChopper, comp, nslit); /* length of the sequence (number of possible slits around disk) */
+  double nu = *COMP_GETPAR3(StatisticalChopper, comp, nu);
+  int *Sequence= *COMP_GETPAR3(StatisticalChopper, comp, Sequence);
 
   double c = (double)(m-1)/(double)(nslit-1); /* duty cycle */
   int f; /* number of periods in the detected time range */