Fix some compiler warnings

1 files changed, 5 insertions, 3 deletions

diff --git a/USearch.pas b/USearch.pas
index 2859de4..d09c330 100644
--- a/USearch.pas
+++ b/USearch.pas
@@ -557,20 +557,21 @@ begin
 end;
 
 procedure TFSearch.ViewButtonClick(Sender: TObject);
-var AViewer: TViewerThread;
-    AEngine: TPanelEngine;
+var AEngine: TPanelEngine;
     Plugin: TVFSPlugin;
     b: boolean;
     archive, s: string;
     i, j: integer;
 begin
   if not (Assigned(FileList.Selected) and Assigned(FileList.Selected.AsPointer(0))) then Exit;
+  AEngine := nil;
   if Assigned(PDataItem(FileList.Selected.AsPointer(0))^.LnkPointTo) then begin
     archive := string(PDataItem(FileList.Selected.AsPointer(0))^.LnkPointTo);
     b := False;
     s := ANSIUpperCase(Trim(Copy(archive, LastDelimiter('.', archive) + 1, Length(archive) - LastDelimiter('.', archive))));
     if (Length(s) > 1) and (s[1] = '.') then Delete(s, 1, 1);
-    if PluginList.Count > 0 then
+    if PluginList.Count > 0 then begin
+      Plugin := nil;
       for i := 0 to PluginList.Count - 1 do begin
         Plugin := TVFSPlugin(PluginList[i]);
         if Length(Plugin.Extensions) > 0 then
@@ -587,6 +588,7 @@ begin
         (AEngine as TVFSEngine).ArchiveMode := True;
         b := b and ((AEngine as TVFSEngine).VFSOpenEx(archive) = 0);
       end;
+    end;
   end else begin
     AEngine := TLocalTreeEngine.Create;
     b := True;