iso9660.h, iso9660_fs.c: Add iso9660_ifs_is_xa() a routine to

determine if an iso image has XA attributes.

bytesex.h and bytesex_asm.h are now public. (Down the line should use
glib though.) Package  has been revised to the move.

iso-info.c: shows XA attributes what that it is available.

include/cdio/Makefile.am

@@ -1,4 +1,4 @@
-#   $Id: Makefile.am,v 1.12 2004/10/09 03:20:28 rocky Exp $
+#   $Id: Makefile.am,v 1.13 2004/10/22 01:13:38 rocky Exp $
 #
 #    Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
 #
@@ -23,7 +23,9 @@
 
 libcdioincludedir=$(includedir)/cdio
 libcdioinclude_HEADERS = \
-	cdio.h \
+	bytesex.h \
+	bytesex_asm.h \
+	cdtext.h \
 	cdtext.h \
 	cd_types.h \
 	ds.h \