[#730,!2-p] Addressed review comments

    Minor cleanup

ChangeLog
src/bin/dhcp4/dhcp4_messages.mes
src/bin/dhcp4/dhcp4_srv.cc
src/lib/dns/tests/name_unittest.cc

ChangeLog

@@ -3,7 +3,7 @@
 	hostname or FQDN options are received.  Now the servers will
 	drop the DHCP packets containing the malformed options.
 	CVE:2019-6473
-	(Gitlab #730,private!2 git a2a98c421bb400a81218bd28d6a6f62accd31b1f)
+	(Gitlab #730,!2-p git a2a98c421bb400a81218bd28d6a6f62accd31b1f)
 
 1651.	[security]		tmark
 	Added logic to kea-dhcp6 to catch values for client or

src/bin/dhcp4/dhcp4_messages.mes

@@ -116,8 +116,7 @@ client.
 This debug message is issued when the DHCP server was unable to process the
 the hostname option sent by the client because the content is malformed.
 The first argument includes the client and transaction identification
-information. The second argument should contain a description of the data
-error.
+information. The second argument contains a description of the data error.
 
 % DHCP4_CLIENT_HOSTNAME_PROCESS %1: processing client's Hostname option
 This debug message is issued when the server starts processing the Hostname

src/bin/dhcp4/dhcp4_srv.cc

@@ -1824,7 +1824,7 @@ Dhcpv4Srv::processHostnameOption(Dhcpv4Exchange& ex) {
         // going to explicitly catch that here.
         label_count = OptionDataTypeUtil::getLabelCount(hostname);
     } catch (const std::exception& exc) {
-        LOG_DEBUG(ddns4_logger, DBG_DHCP4_DETAIL_DATA, DHCP4_CLIENT_HOSTNAME_MALFORMED)
+        LOG_DEBUG(ddns4_logger, DBG_DHCP4_DETAIL, DHCP4_CLIENT_HOSTNAME_MALFORMED)
             .arg(ex.getQuery()->getLabel())
             .arg(exc.what());
         return;
@@ -1835,7 +1835,7 @@ Dhcpv4Srv::processHostnameOption(Dhcpv4Exchange& ex) {
     /// @todo It would be more liberal to accept this and let it fall into
     /// the case  of replace or less than two below.
     if (label_count == 0) {
-        LOG_DEBUG(ddns4_logger, DBG_DHCP4_DETAIL_DATA, DHCP4_EMPTY_HOSTNAME)
+        LOG_DEBUG(ddns4_logger, DBG_DHCP4_DETAIL, DHCP4_EMPTY_HOSTNAME)
             .arg(ex.getQuery()->getLabel());
         return;
     }

src/lib/dns/tests/name_unittest.cc

@@ -290,7 +290,7 @@ TEST_F(NameTest, fromText) {
 }
 
 // The following test uses a name data that was produced by
-// fuz testing and causes an unexpected condition in stringParser.
+// fuzz testing and causes an unexpected condition in stringParser.
 // Formerly this condition was trapped by an assert, but for
 // robustness it has been replaced by a throw.
 TEST_F(NameTest, unexpectedParseError) {