Fix typo

Change-Id: I66429d273adf969fb54d6e378021b1db6da28969
Reviewed-on: https://gerrit.libreoffice.org/72171
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

dbaccess/source/ui/querydesign/SelectionBrowseBox.hxx

@@ -302,7 +302,7 @@ namespace dbaui
             @param  _pEntry
                 The entry to be cleared
             @param  _bListAction
-                When <TRUE/> an list action will be created.
+                When <TRUE/> a list action will be created.
         */
         void            clearEntryFunctionField(const OUString& _sFieldName,OTableFieldDescRef const & _pEntry, bool& _bListAction,sal_uInt16 _nColumnId);