firewall: raise usability for normal log view

Change cursor when hoovering over symbol within "Act" column of
normal firewall log to indicate that icon may be clicked.

(cherry picked from commit 2000487a)

src/www/diag_logs_filter.php

@@ -727,7 +727,7 @@ include("head.inc");
 									$rowIndex++;?>
 									<tr class="<?=$evenRowClass?>">
 									  <td class="listMRlr nowrap" align="center" sorttable_customkey="<?=$filterent['act']?>">
-									  <a onclick="javascript:getURL('diag_logs_filter.php?getrulenum=<?php echo "{$filterent['rulenum']},{$filterent['act']}"; ?>', outputrule);" title="<?php echo $filterent['act'];?>"><span class="glyphicon glyphicon-<?php switch ($filterent['act']) {
+									  <a href="#" onclick="javascript:getURL('diag_logs_filter.php?getrulenum=<?php echo "{$filterent['rulenum']},{$filterent['act']}"; ?>', outputrule);" title="<?php echo $filterent['act'];?>"><span class="glyphicon glyphicon-<?php switch ($filterent['act']) {
 									    case 'pass':
                                                                                 echo "play";  /* icon triangle */
                                                                                 break;