Build fix for ABI Version 12

ABI Version 12 removes support for multiple PCI domains.  If you need to
use this driver on a system with more than one PCI domain, you should
either port this driver to using libpciaccess directly or stick with an
older server.

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>

src/ct_driver.c

@@ -1446,7 +1446,12 @@ chipsPreInitHiQV(ScrnInfoPtr pScrn, int flags)
 
     hwp = VGAHWPTR(pScrn);
     vgaHWGetIOBase(hwp);
+#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 12
     cPtr->PIOBase = hwp->PIOOffset;
+#else
+    cPtr->PIOBase = 0;
+#endif
+
     /*
      * Must allow ensure that storage for the 2nd set of vga registers is
      * allocated for dual channel cards

src/ct_driver.h

@@ -276,8 +276,8 @@ typedef struct _CHIPSRec {
 #endif
     int			Chipset;
     EntityInfoPtr       pEnt;
-    IOADDRESS		PIOBase;
-    CARD32		IOAddress;
+    unsigned long	PIOBase;
+    unsigned long	IOAddress;
     unsigned long	FbAddress;
     unsigned int	IOBase;
     unsigned char *	FbBase;