floppy: fix signed/unsigned warnings

Ioctl cmd value is unsigned, so change normalize_ioctl

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 975fac36..fd7085a 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3337,7 +3337,7 @@
 }
 
 /* handle obsolete ioctl's */
-static int ioctl_table[] = {
+static unsigned int ioctl_table[] = {
 	FDCLRPRM,
 	FDSETPRM,
 	FDDEFPRM,
@@ -3365,7 +3365,7 @@
 	FDTWADDLE
 };
 
-static int normalize_ioctl(int *cmd, int *size)
+static int normalize_ioctl(unsigned int *cmd, int *size)
 {
 	int i;