Safari: don't double inject, and cleanup stray unicode

assets/ublock/filter-lists.json

@@ -55,7 +55,7 @@
         },
     "www.fanboy.co.nz/fanboy-antifacebook.txt": {
         "off": true,
-        "title": "Anti-ThirdpartySocial‎ (see warning inside list)",
+        "title": "Anti-ThirdpartySocial (see warning inside list)",
         "group": "social",
         "homeURL": "https://www.fanboy.co.nz/fanboy-antifacebook.txt"
         },
@@ -279,4 +279,4 @@
         "group": "regions",
         "homeURL": ""
         }
-}
+}

platform/safari/vapi-client.js

@@ -24,6 +24,10 @@
 (function() {
     'use strict';
     var vAPI = self.vAPI = self.vAPI || {};
+    if(vAPI.vapiClientInjected) {
+        return;
+    }
+    vAPI.vapiClientInjected = true;
     vAPI.safari = true;
     /******************************************************************************/
     var messagingConnector = function(response) {
@@ -143,7 +147,7 @@
     };
 
     vAPI.canExecuteContentScript = function() {
-        return(/^https?:/.test(location.protocol) && typeof safari === "object");
+        return (/^https?:/.test(location.protocol) && typeof safari === "object");
     };
 
     // The following code should run only in content pages

platform/safari/vapi-popup.js

@@ -18,6 +18,8 @@
 
     Home: https://github.com/gorhill/uBlock
 */
+(function() {
+'use strict';
 
 var whenSizeChanges = function(elm, callback) {
     var reset = function() {
@@ -63,3 +65,4 @@ var onLoaded = function() {
     whenSizeChanges(body, updateSize);
 };
 window.addEventListener('load', onLoaded);
+})();