#include "system/player-type-definition.h"
#include "view/display-messages.h"
-bool activate_muramasa(player_type *player_ptr, object_type *o_ptr)
+bool activate_muramasa(PlayerType *player_ptr, object_type *o_ptr)
{
if (o_ptr->name1 != ART_MURAMASA)
return false;