Fixed Indy to correctly assign request headers

indy/Protocols/IdHTTPHeaderInfo.pas

@@ -336,6 +336,7 @@ begin
   begin
     LDest := TIdEntityHeaderInfo(Destination);
     LDest.FRawHeaders.Assign(FRawHeaders);
+    LDest.FCustomHeaders.Assign(FCustomHeaders);
     LDest.FCacheControl := FCacheControl;
     LDest.FCharSet := FCharSet;
     LDest.FContentDisposition := FContentDisposition;
@@ -966,9 +967,9 @@ begin
     // TODO: omitted intentionally?
     // LDest.FHost := FHost;
     // LDest.FProxyConnection := FProxyConnection;
-  end else begin
-    inherited AssignTo(Destination);
   end;
+
+  inherited AssignTo(Destination);
 end;
 
 procedure TIdRequestHeaderInfo.Clear;