rc: make individual chunks a bit more apparent in loader.conf

src/etc/inc/system.inc

@@ -1926,7 +1926,7 @@ function system_login_configure()
     $new_loader_conf = @file_get_contents('/boot/loader.conf');
 
     /* append our console options */
-    $new_loader_conf .= "\n# dynamically generated settings follow\n";
+    $new_loader_conf .= "# dynamically generated settings follow\n";
     foreach ($new_boot_config as $param => $value) {
         if (!empty($value)) {
             $new_loader_conf .= "{$param}={$value}\n";

src/etc/rc.loader

@@ -55,6 +55,7 @@ for LOADERCHUNK in ${LOADERCHUNKS}; do
 	echo "rc.loader: assembling ${LOADERCHUNK#??-}"
 
 	cat ${LOADERDIR}/${LOADERCHUNK} >> ${LOADERCONF}
+	echo >> ${LOADERCONF}
 done
 
 exit 0

src/etc/rc.loader.d/20-modules

@@ -13,6 +13,7 @@ if_vlan_load="YES"
 pf_load="YES"
 pflog_load="YES"
 pfsync_load="YES"
+
 # The netgraph(4) framework is loaded here
 # for backwards compat with the pre-16.7
 # kernel configuration that compiled all of