VLCLibrary: re-add verbosity flag to mobile defaults, so 3rd parties have an easier start to set the flag

Sources/VLCLibrary.m

@@ -108,7 +108,8 @@ static VLCLibrary * sharedLibrary = nil;
                   @"--no-video-title-show",
                   @"--no-stats",
                   @"--avcodec-fast",
-                  @"--avcodec-skiploopfilter=all"];
+                  @"--avcodec-skiploopfilter=all",
+                  @"--verbose=0"];
 #else
     vlcParams = [[NSUserDefaults standardUserDefaults] objectForKey:@"VLCParams"];
     if (!vlcParams) {