dix: devPrivates support for PropertyRec.

include/propertyst.h

@@ -49,6 +49,7 @@ SOFTWARE.
 #define PROPERTYSTRUCT_H 
 #include "misc.h"
 #include "property.h"
+#include "privates.h"
 /* 
  *   PROPERTY -- property element
  */
@@ -60,6 +61,7 @@ typedef struct _Property {
 	short		format;     /* format of data for swapping - 8,16,32 */
 	long		size;       /* size of data in (format/8) bytes */
 	pointer         data;       /* private to client */
+	PrivateRec	*devPrivates;
 } PropertyRec;
 
 #endif /* PROPERTYSTRUCT_H */