Clean fdc.h

Hi,

fdc.c doesn't contain anymore a fd_table[] array. It has been removed when -drive option has been added. Attached patch also removes it from fdc.h

Hervé

Index: hw/fdc.h
===================================================================
RCS file: /sources/qemu/qemu/hw/fdc.h,v
retrieving revision 1.1

diff -u -r1.1 hw/fdc.h
@@ -1,6 +1,5 @@
 /* fdc.c */
 #define MAX_FD 2
-extern BlockDriverState *fd_table[MAX_FD];
 
 typedef struct fdctrl_t fdctrl_t;