translation fix

src/www/system_authservers.php

@@ -322,7 +322,7 @@ else :?>
 endif; ?>
         var oWin = window.open(url,"OPNsense","width=620,height=400,top=150,left=150, scrollbars=yes");
         if (oWin==null || typeof(oWin)=="undefined")
-			alert("<?=gettext('Popup blocker detected.  Action aborted.');?>");
+			alert("<?=gettext('Popup blocker detected. Action aborted.');?>");
 }
 
 $( document ).ready(function() {

src/www/system_usermanager.php

@@ -528,7 +528,7 @@ $( document ).ready(function() {
       url="system_usermanager_import_ldap.php";
       var oWin = window.open(url,"OPNsense","width=620,height=400,top=150,left=150,scrollbars=yes");
       if (oWin==null || typeof(oWin)=="undefined") {
-        alert("<?=gettext('Popup blocker detected.  Action aborted.');?>");
+        alert("<?=gettext('Popup blocker detected. Action aborted.');?>");
       }
     });
 

src/www/system_usermanager_settings.php

@@ -79,7 +79,7 @@ include("head.inc");
 if ($save_and_test):?>
 <script type="text/javascript">
     myRef = window.open('system_usermanager_settings_test.php?authserver=<?=$pconfig['authmode'];?>','mywin','left=20,top=20,width=700,height=550,toolbar=1,resizable=0');
-    if (myRef==null || typeof(myRef)=='undefined') alert('<?=gettext("Popup blocker detected.  Action aborted.");?>');
+    if (myRef==null || typeof(myRef)=='undefined') alert('<?=gettext("Popup blocker detected. Action aborted.");?>');
 </script>;
 <?php
 endif;?>