move internally used defines away from header

Signed-off-by: Luotao Fu <l.fu@pengutronix.de>

include/socketcan_netlink.h

@@ -22,11 +22,6 @@
 
 #include <linux/can/netlink.h>
 
-#define GET_STATE 1
-#define GET_RESTART_MS 2
-#define GET_BITTIMING 3
-#define GET_CTRLMODE 4
-
 int scan_set_restart(const char *name);
 int scan_set_bitrate(const char *name, __u32 bitrate);
 int scan_set_restart_ms(const char *name, __u32 restart_ms);

src/socketcan_netlink.c

@@ -41,6 +41,11 @@
 #define IF_UP 1
 #define IF_DOWN 2
 
+#define GET_STATE 1
+#define GET_RESTART_MS 2
+#define GET_BITTIMING 3
+#define GET_CTRLMODE 4
+
 struct get_req {
 	struct nlmsghdr n;
 	struct rtgenmsg g;