sd-ndisc: rename ndisc-protocol.[ch] -> ndisc-option.[ch]

src/libsystemd-network/meson.build

@@ -12,7 +12,7 @@ sources = files(
         'icmp6-util.c',
         'lldp-neighbor.c',
         'lldp-network.c',
-        'ndisc-protocol.c',
+        'ndisc-option.c',
         'network-common.c',
         'network-internal.c',
         'sd-dhcp-client-id.c',

src/libsystemd-network/ndisc-option.c

@@ -2,7 +2,7 @@
 
 #include <netinet/icmp6.h>
 
-#include "ndisc-protocol.h"
+#include "ndisc-option.h"
 
 int ndisc_option_parse(
                 ICMP6Packet *p,

src/libsystemd-network/radv-internal.h

@@ -10,7 +10,7 @@
 #include "sd-radv.h"
 
 #include "list.h"
-#include "ndisc-protocol.h"
+#include "ndisc-option.h"
 #include "network-common.h"
 #include "sparse-endian.h"
 #include "time-util.h"

src/libsystemd-network/sd-ndisc-router.c

@@ -14,7 +14,7 @@
 #include "memory-util.h"
 #include "missing_network.h"
 #include "ndisc-internal.h"
-#include "ndisc-protocol.h"
+#include "ndisc-option.h"
 #include "ndisc-router-internal.h"
 #include "strv.h"