Fix typo

Change-Id: Ic7973dc408ba7cd19b958675b5e27320dfea5c92
Reviewed-on: https://gerrit.libreoffice.org/72152
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

dbaccess/source/ui/dlg/finteraction.hxx

@@ -30,7 +30,7 @@ namespace dbaui
     typedef ::cppu::WeakImplHelper<   css::task::XInteractionHandler
                                   >   OFilePickerInteractionHandler_Base;
 
-    /** a InteractionHandler implementation which extends another handler with some customizability
+    /** an InteractionHandler implementation which extends another handler with some customizability
     */
     class OFilePickerInteractionHandler final : public OFilePickerInteractionHandler_Base
     {