openvpn: translate verbose descriptions

I know, gettext('2') et al looks stupid, but not having a complete
gettext() wrapping only leads to bugs later on...

(cherry picked from commit 358cfb02)

src/etc/inc/openvpn.inc

@@ -31,18 +31,18 @@
 
 global $openvpn_verbosity_level;
 $openvpn_verbosity_level = array(
-	0 =>	"none",
-	1 =>	"default",
-	2 =>	"2",
-	3 =>	"3 (recommended)",
-	4 =>	"4",
-	5 =>	"5",
-	6 =>	"6",
-	7 =>	"7",
-	8 =>	"8",
-	9 =>	"9",
-	10 =>	"10",
-	11 =>	"11"
+	0 => gettext('0 (none)'),
+	1 => gettext('1 (default)'),
+	2 => gettext('2'),
+	3 => gettext('3 (recommended)'),
+	4 => gettext('4'),
+	5 => gettext('5'),
+	6 => gettext('6'),
+	7 => gettext('7'),
+	8 => gettext('8'),
+	9 => gettext('9'),
+	10 => gettext('10'),
+	11 => gettext('11'),
 );
 
 /*

src/www/vpn_openvpn_client.php

@@ -1011,16 +1011,13 @@ endif; ?>
 							<select name="verbosity_level" class="form-control">
 							<?php
                             foreach ($openvpn_verbosity_level as $verb_value => $verb_desc) :
-                                $selected = "";
+                                $selected = '';
                                 if ($pconfig['verbosity_level'] == $verb_value) {
-                                    $selected = "selected=\"selected\"";
+                                    $selected = 'selected="selected"';
                                 }
                             ?>
-                            <option value="<?=$verb_value;
-?>" <?=$selected;
-?>><?=$verb_desc;?></option>
-							<?php
-                            endforeach; ?>
+                            <option value="<?=$verb_value; ?>" <?=$selected; ?>><?=$verb_desc;?></option>
+							<?php endforeach; ?>
 							</select>
 							<div class="hidden" for="help_for_verbosity_level">
 								<?=gettext("Each level shows all info from the previous levels. Level 3 is recommended if you want a good summary of what's happening without being swamped by output"); ?>.<br /> <br />

src/www/vpn_openvpn_server.php

@@ -1675,16 +1675,13 @@ endif; ?>
                         <select name="verbosity_level" class="form-control">
                         <?php
                         foreach ($openvpn_verbosity_level as $verb_value => $verb_desc) :
-                            $selected = "";
+                            $selected = '';
                             if ($pconfig['verbosity_level'] == $verb_value) {
-                                $selected = "selected=\"selected\"";
+                                $selected = 'selected="selected"';
                             }
                         ?>
-                        <option value="<?=$verb_value;
-?>" <?=$selected;
-?>><?=$verb_desc;?></option>
-                        <?php
-                        endforeach; ?>
+                        <option value="<?=$verb_value; ?>" <?=$selected; ?>><?=$verb_desc;?></option>
+                        <?php endforeach; ?>
                         </select>
                         <div class="hidden" for="help_for_verbosity_level">
                             <?=gettext("Each level shows all info from the previous levels. Level 3 is recommended if you want a good summary of what's happening without being swamped by output"); ?>.<br /> <br />