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>
diff --git a/net/nfc/hci/llc_nop.c b/net/nfc/hci/llc_nop.c
index d91dd66..87b1029 100644
--- a/net/nfc/hci/llc_nop.c
+++ b/net/nfc/hci/llc_nop.c
@@ -93,7 +93,7 @@
 	.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);
 }
diff --git a/net/nfc/hci/llc_shdlc.c b/net/nfc/hci/llc_shdlc.c
index 3761c74..d54bfc5 100644
--- a/net/nfc/hci/llc_shdlc.c
+++ b/net/nfc/hci/llc_shdlc.c
@@ -826,7 +826,7 @@
 	.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);
 }