cleaning param validation new step

lib/WorkflowHic.groovy

@@ -92,7 +92,8 @@ class WorkflowHic {
 
     // Check the params 'list of Integer' or Integer (ex bin_size)
     public static void checkParamIntList(def param2check, log) {
-        if (param2check !instanceof Integer && !(param2check instanceof String && param2check ==~ /(\d+)(,\d+)*/)){            println "\n"
+        if (param2check !instanceof Integer && !(param2check instanceof String && param2check ==~ /(\d+)(,\d+)*/)){
+            println "\n"
             log.error "ERROR: ${param2check} must be integer or list of integer"
             Nextflow.error('Exiting!')
         }