Problem z Allegro na visualu 2010

#include<allegro5/allegro.h>
#include<allegro5/allegro_native_dialog.h>
#include<allegro5/allegro_ttf.h>
#include<allegro5/allegro_font.h>
#include<allegro5/allegro_primitives.h>
#include<iostream>
#define A 800
#define B 600
int main()
{
    if( !al_init() )
    {
        al_show_native_message_box( NULL, NULL, NULL, "Blad przy inicjalizowaniu allegro", NULL, ALLEGRO_MESSAGEBOX_ERROR );
    }
    al_init_primitives_addon();
    al_set_new_display_flags( ALLEGRO_WINDOWED );
    ALLEGRO_DISPLAY * okno = al_create_display( A, B );
    al_init_font_addon();
    al_init_ttf_addon();
    al_set_window_position( okno, 200, 100 );
    ALLEGRO_FONT * czcionka = al_load_font( "Orbition Black.ttf", 36, NULL );
    al_draw_text( czcionka, al_map_rgb( 125, 125, 125 ), A / 2, B / 2, NULL, "A" );
    al_flip_display();
    al_rest( 10.0 );
    al_destroy_font( czcionka );
    al_destroy_display( okno );
    return 0;
}