[SPARC]: Sparc compilation fix with floppy enabled

This patch fixes a typo to make kernel compilable when floppy driver
for Sparc is build.
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

arch/sparc/kernel/irq.c

@@ -351,7 +351,7 @@ void handler_irq(int irq, struct pt_regs * regs)
 }
 
 #ifdef CONFIG_BLK_DEV_FD
-extern void floppy_interrupt(int irq, void *dev_id)
+extern void floppy_interrupt(int irq, void *dev_id);
 
 void sparc_floppy_irq(int irq, void *dev_id, struct pt_regs *regs)
 {