SONAR suggestions - prevent truncation of arithmetic expressions

Change-Id: I4694c0c3183b991a4f0db793f584bc77a5fb7d60
diff --git a/core/net/src/main/java/org/onosproject/cluster/impl/ConfigFileBasedClusterMetadataProvider.java b/core/net/src/main/java/org/onosproject/cluster/impl/ConfigFileBasedClusterMetadataProvider.java
index cd21490..99920f9 100644
--- a/core/net/src/main/java/org/onosproject/cluster/impl/ConfigFileBasedClusterMetadataProvider.java
+++ b/core/net/src/main/java/org/onosproject/cluster/impl/ConfigFileBasedClusterMetadataProvider.java
@@ -182,7 +182,7 @@
     }
 
     private Versioned<ClusterMetadata> blockForMetadata(String metadataUrl) {
-        int iterations = 0;
+        long iterations = 0;
         for (;;) {
             try {
                 Versioned<ClusterMetadata> metadata = fetchMetadata(metadataUrl);