Staging: silicom: Fixed error 'space required after that ',''.

This patch fixes error 'space required after that ','' found by
checkpatch in driver silicom.
Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/silicom/bpctl_mod.c

@@ -5787,7 +5787,7 @@ static const struct file_operations Fops = {
 };
 
 #ifndef PCI_DEVICE
-#define PCI_DEVICE(vend,dev) \
+#define PCI_DEVICE(vend, dev) \
 	.vendor = (vend), .device = (dev), \
 	.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID
 #endif