NFC: Fix LLC registration definitions for ANSI compliance

Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

net/nfc/hci/llc_nop.c

@@ -93,7 +93,7 @@ static struct nfc_llc_ops llc_nop_ops = {
 	.xmit_from_hci = llc_nop_xmit_from_hci,
 };
 
-int nfc_llc_nop_register()
+int nfc_llc_nop_register(void)
 {
 	return nfc_llc_register(LLC_NOP_NAME, &llc_nop_ops);
 }

net/nfc/hci/llc_shdlc.c

@@ -826,7 +826,7 @@ static struct nfc_llc_ops llc_shdlc_ops = {
 	.xmit_from_hci = llc_shdlc_xmit_from_hci,
 };
 
-int nfc_llc_shdlc_register()
+int nfc_llc_shdlc_register(void)
 {
 	return nfc_llc_register(LLC_SHDLC_NAME, &llc_shdlc_ops);
 }