fixed maximum number of iterations of clustering coefficient based edge

generation

Author: ArnauPrat

src/main/java/ldbc/snb/datagen/generator/ClusteringKnowsGenerator.java

@@ -604,7 +604,7 @@ public void generateKnows( ArrayList<Person> persons, int seed, ArrayList<Float>
                 iterate = true;
             }
             numIterations++;
-        }while( iterate );
+        }while( iterate || numIterations < 10 );
 
         int countMore = 0;
         int countLess = 0;