Remove spurious negation operator again

...which had been introduced with 3f4978f8
"loplugin:implicitboolconversion" when changing

  return name.second == sal_True;

to

  return !name.second;

Change-Id: I3d4cfb613efcc72cf01176556c678a97e5817528

dbaccess/source/ui/control/tabletree.cxx

@@ -265,7 +265,7 @@ void OTableTreeListBox::UpdateTableList( const Reference< XConnection >& _rxConn
                                 [&_rTables] (TNames::value_type name) { return !name.second; }) )
                 sRootEntryText  = ModuleRes(STR_ALL_TABLES);
             else if ( ::std::none_of(_rTables.begin(),_rTables.end(),
-                                     [&_rTables] (TNames::value_type name) { return !name.second; }) )
+                                     [&_rTables] (TNames::value_type name) { return name.second; }) )
                 sRootEntryText  = ModuleRes(STR_ALL_VIEWS);
             else
                 sRootEntryText  = ModuleRes(STR_ALL_TABLES_AND_VIEWS);