xf86-video-ati-legacy fails to compile

[Robert Huff]

	On a system running:

FreeBSD 13.0-CURRENT #0 r354131: Mon Oct 28 17:27:33 EDT 2019  amd64

	with the ports tree updated nightly, xf86-video-ati-legacy has
failed to compile since the most recent update.
	The error message is:

--- radeon_drm_queue.lo ---
mv -f .deps/radeon_drm_queue.Tpo .deps/radeon_drm_queue.Plo
--- radeon_sync.lo ---
/bin/sh ../libtool  --tag=CC    --mode=compile cc -DHAVE_CONFIG_H  -I. -I..   -Wall  -I/usr/local/include -I/usr/local/include/libdrm  -I/usr/local/include/xorg -fvisibility=hidden -I/usr/local/include -I/usr/local/include/pixman-1 -I/usr/local/include/X11/dri -I/usr/local/include/libdrm  -I/usr/local/include     -O2 -pipe  -Werror=uninitialized -fstack-protector-strong -fno-strict-aliasing -MT radeon_sync.lo -MD -MP -MF .deps/radeon_sync.Tpo -c -o radeon_sync.lo radeon_sync.c
--- radeon_present.lo ---
libtool: compile:  cc -DHAVE_CONFIG_H -I. -I.. -Wall -I/usr/local/include -I/usr/local/include/libdrm -I/usr/local/include/xorg -fvisibility=hidden -I/usr/local/include -I/usr/local/include/pixman-1 -I/usr/local/include/X11/dri -I/usr/local/include/libdrm -I/usr/local/include -O2 -pipe -Werror=uninitialized -fstack-protector-strong -fno-strict-aliasing -MT radeon_present.lo -MD -MP -MF .deps/radeon_present.Tpo -c radeon_present.c  -fPIC -DPIC -o .libs/radeon_present.o
--- radeon_kms.lo ---
radeon_kms.c:546:51: error: no member named 'drawable' in 'struct _Drawable'
        ScrnInfoPtr pScrn = xf86ScreenToScrn(dirty->src->drawable.pScreen);
                                             ~~~~~~~~~~  ^
radeon_kms.c:579:43: error: no member named 'master_pixmap' in 'struct _Drawable'
    ScreenPtr master_screen = dirty->src->master_pixmap->drawable.pScreen;
                              ~~~~~~~~~~  ^
radeon_kms.c:584:21: warning: comparison of distinct pointer types ('PixmapPtr' (aka 'struct _Pixmap *') and 'DrawablePtr' (aka 'struct _Drawable *')) [-Wcompare-distinct-pointer-types]
        if (ent->slave_dst != dirty->src)
            ~~~~~~~~~~~~~~ ^  ~~~~~~~~~~
radeon_kms.c:599:43: error: no member named 'master_pixmap' in 'struct _Drawable'
    ScreenPtr master_screen = dirty->src->master_pixmap->drawable.pScreen;
                              ~~~~~~~~~~  ^
radeon_kms.c:615:43: error: no member named 'master_pixmap' in 'struct _Drawable'
    ScreenPtr master_screen = dirty->src->master_pixmap->drawable.pScreen;
                              ~~~~~~~~~~  ^
radeon_kms.c:679:17: warning: comparison of distinct pointer types ('DrawablePtr' (aka 'struct _Drawable *') and 'PixmapPtr' (aka 'struct _Pixmap *')) [-Wcompare-distinct-pointer-types]
        if (dirty->src == scanoutpix && dirty->slave_dst ==
            ~~~~~~~~~~ ^  ~~~~~~~~~~
radeon_kms.c:835:41: error: no member named 'master_pixmap' in 'struct _Drawable'
                                ScreenPtr master_screen = ent->src->master_pixmap->drawable.pScreen;
                                                          ~~~~~~~~  ^
radeon_kms.c:838:32: warning: comparison of distinct pointer types ('PixmapPtr' (aka 'struct _Pixmap *') and 'DrawablePtr' (aka 'struct _Drawable *')) [-Wcompare-distinct-pointer-types]
                                        if (region_ent->slave_dst == ent->src)
                                            ~~~~~~~~~~~~~~~~~~~~~ ^  ~~~~~~~~
3 warnings and 5 errors generated.
*** [radeon_kms.lo] Error code 1

	I have re-built all dependencies without problem.
	This may be my fault; don't care.  What do I do to fix this?


			Respectfully,


				Robert Huff