plex: fix networking if user didn't provide a port

SharedSources/ServerBrowsing/Plex/VLCNetworkServerBrowserPlex.m

@@ -51,7 +51,7 @@
     if (self) {
         _title = name;
         _plexServerAddress = addressOrName;
-        _plexServerPort = portNumber;
+        _plexServerPort = portNumber.intValue > 0 ? portNumber : @(32400);
         _plexServerPath = path;
 
         _plexAuthentification = auth;
@@ -188,7 +188,6 @@
         }
         _thumbnailURL = thumbPath.length ? [NSURL URLWithString:thumbPath] : nil;
 
-
         _duration = dictionary[@"duration"];
         _fileSizeBytes = dictionary[@"size"];