kernel: add c++ support

include/socks/console.h

@@ -18,6 +18,10 @@
 #include <socks/locks.h>
 #include <socks/status.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef enum console_flags {
 	/* console is only used during the boot process. the console
 	   will be automatically de-registered when the first
@@ -42,4 +46,8 @@ extern kern_status_t console_unregister(console_t *con);
 extern void console_write(console_t *con, const char *s, unsigned int len);
 extern int console_read(console_t *con, char *s, unsigned int len);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif