pixman: add a bunch of PIXMAN_BE_* defines for 32bpp

#ifdef HOST_WORDS_BIGENDIAN

# define PIXMAN_BE_r8g8b8     PIXMAN_r8g8b8

# define PIXMAN_BE_x8r8g8b8   PIXMAN_x8r8g8b8

# define PIXMAN_BE_a8r8g8b8   PIXMAN_a8r8g8b8

# define PIXMAN_BE_b8g8r8x8   PIXMAN_b8g8r8x8

# define PIXMAN_BE_b8g8r8a8   PIXMAN_b8g8r8a8

# define PIXMAN_BE_r8g8b8x8   PIXMAN_r8g8b8x8

# define PIXMAN_BE_r8g8b8a8   PIXMAN_r8g8b8a8

# define PIXMAN_BE_x8b8g8r8   PIXMAN_x8b8g8r8

# define PIXMAN_BE_a8b8g8r8   PIXMAN_a8b8g8r8

#else

# define PIXMAN_BE_r8g8b8     PIXMAN_b8g8r8

# define PIXMAN_BE_x8r8g8b8   PIXMAN_b8g8r8x8

# define PIXMAN_BE_a8r8g8b8   PIXMAN_b8g8r8a8

# define PIXMAN_BE_b8g8r8x8   PIXMAN_x8r8g8b8

# define PIXMAN_BE_b8g8r8a8   PIXMAN_a8r8g8b8

# define PIXMAN_BE_r8g8b8x8   PIXMAN_x8b8g8r8

# define PIXMAN_BE_r8g8b8a8   PIXMAN_a8b8g8r8

# define PIXMAN_BE_x8b8g8r8   PIXMAN_r8g8b8x8

# define PIXMAN_BE_a8b8g8r8   PIXMAN_r8g8b8a8

#endif

/* -------------------------------------------------------------------- */