Exclude zip directory entry from OPSS wallet check (#404)

Author: rakillen

core/src/main/java/oracle/weblogic/deploy/util/WLSDeployArchive.java

@@ -561,6 +561,7 @@ public String getOPSSWallet() throws WLSDeployArchiveIOException {
 
         LOGGER.entering(CLASS, METHOD);
         List<String> result = getZipFile().listZipEntries(ARCHIVE_OPSS_WALLET_PATH + ZIP_SEP);
+        result.remove(ARCHIVE_OPSS_WALLET_PATH + ZIP_SEP);
         LOGGER.exiting(CLASS, METHOD, result);
         if (result.size() > 0) {
             return result.get(0);