add accessor (#1412)

Author: baltzell

common-tools/clas-utils/src/main/java/org/jlab/utils/benchmark/ProgressPrintout.java

@@ -88,6 +88,10 @@ public String getItemString(String itemname){
         }        
         return str.toString();
     }
+
+    public int getNumberOfCalls() {
+        return numberOfCalls;
+    }
 
     public static void main(String[] args){
         ProgressPrintout  progress = new ProgressPrintout();