fixed sonar issue in WebSecurityConfigImpl.java

fixed sonar issue detailed in SO-874

Issue-ID: SO-874
Change-Id: Ie14f5376566642d75123e23764bf6f7869861393
Signed-off-by: Sandeep J <sandeejh@in.ibm.com>
diff --git a/adapters/mso-catalog-db-adapter/src/main/java/org/onap/so/adapters/catalogdb/WebSecurityConfigImpl.java b/adapters/mso-catalog-db-adapter/src/main/java/org/onap/so/adapters/catalogdb/WebSecurityConfigImpl.java
index 144df5f..2eb4858 100644
--- a/adapters/mso-catalog-db-adapter/src/main/java/org/onap/so/adapters/catalogdb/WebSecurityConfigImpl.java
+++ b/adapters/mso-catalog-db-adapter/src/main/java/org/onap/so/adapters/catalogdb/WebSecurityConfigImpl.java
@@ -4,6 +4,8 @@
  * ================================================================================
  * Copyright (C) 2017 - 2018 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
+ * Modifications Copyright (C) 2018 IBM.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -36,7 +38,7 @@
 		http.csrf().disable()
 		.authorizeRequests()
 		.antMatchers("/manage/health","/manage/info").permitAll()
-		.antMatchers("/**").hasAnyRole(StringUtils.collectionToDelimitedString(getRoles(),",").toString())
+		.antMatchers("/**").hasAnyRole(StringUtils.collectionToDelimitedString(getRoles(),","))
 		.and()
 		.httpBasic();
 	}