staging/ft1000: fix the no brace needed warning in ft1000_interrupt

as the if statement encloses only one line braces around it are not
needed.

The following warn fixed,
WARNING: braces {} are not necessary for single statement blocks
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c

@@ -1998,9 +1998,8 @@ static irqreturn_t ft1000_interrupt(int irq, void *dev_id)
 
     // Make sure we process all interrupt before leaving the ISR due to the edge trigger interrupt type
     while (inttype) {
-	if (inttype & ISR_DOORBELL_PEND) {
+		if (inttype & ISR_DOORBELL_PEND)
 			ft1000_parse_dpram_msg(dev);
-	}
 
 	if (inttype & ISR_RCV) {
 		DEBUG(1, "Data in FIFO\n");