[PATCH] sparc32: fix incomplete irqreturn_t sweep in include/asm-sparc/floppy.h

Squelch the floppy compile warning:

include/asm/floppy.h: In function `sun_fd_request_irq':
include/asm/floppy.h:276: warning: passing arg 2 of `request_fast_irq'
from incompatible pointer type
Signed-off-by: Tom 'spot' Callaway <tcallawa@redhat.com>
Acked-by: William Irwin <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-sparc/floppy.h

@@ -264,7 +264,7 @@ static __inline__ void sun_fd_enable_dma(void)
 }
 
 /* Our low-level entry point in arch/sparc/kernel/entry.S */
-extern void floppy_hardint(int irq, void *unused, struct pt_regs *regs);
+irqreturn_t floppy_hardint(int irq, void *unused, struct pt_regs *regs);
 
 static int sun_fd_request_irq(void)
 {