Fix request range creation bug for ssnv2

In some condition a new request range was created at every range update
task. The error was generated by a wrong method name which was creating
error in reading the existing next range

base/server/src/main/java/com/netscape/cmscore/request/RequestRepository.java

@@ -133,15 +133,15 @@ protected void initLegacy2Generator() throws EBaseException {
         mMaxSerialNo = dbConfig.getBigInteger(DatabaseConfig.MAX_REQUEST_NUMBER, null);
         logger.debug("RequestRepository: - max serial: " + mMaxSerialNo);
 
-        String nextMinSerial = dbConfig.getNextBeginSerialNumber();
+        String nextMinSerial = dbConfig.getNextBeginRequestNumber();
         if (nextMinSerial == null || nextMinSerial.equals("-1")) {
             mNextMinSerialNo = null;
         } else {
             mNextMinSerialNo = dbConfig.getBigInteger(DatabaseConfig.NEXT_MIN_REQUEST_NUMBER, null);
         }
         logger.debug("RequestRepository: - next min serial: " + mNextMinSerialNo);
 
-        String nextMaxSerial = dbConfig.getNextEndSerialNumber();
+        String nextMaxSerial = dbConfig.getNextEndRequestNumber();
         if (nextMaxSerial == null || nextMaxSerial.equals("-1")) {
             mNextMaxSerialNo = null;
         } else {