dix: Shrink PropertyRec on LP64

size needn't be a long.  No change on ILP32 but, combined with the
previous change, 56 -> 40 bytes on LP64.

Reviewed-by: Daniel Stone <daniel@fooishbar.org>
Signed-off-by: Adam Jackson <ajax@redhat.com>

include/propertyst.h

@@ -58,8 +58,8 @@ typedef struct _Property {
         struct _Property       *next;
 	ATOM 		propertyName;
 	ATOM		type;       /* ignored by server */
-	short		format;     /* format of data for swapping - 8,16,32 */
-	long		size;       /* size of data in (format/8) bytes */
+	uint32_t	format;     /* format of data for swapping - 8,16,32 */
+	uint32_t	size;       /* size of data in (format/8) bytes */
 	pointer         data;       /* private to client */
 	PrivateRec	*devPrivates;
 } PropertyRec;