Loopback/CTP: Use the Wayback Machine for the removed specification

(cherry picked from commit 15db4f51645f9a80fedc7116f9739609b3ffdac8)

[skip ci]

diff --git a/print-loopback.c b/print-loopback.c
index ee0caf3cfe4f3ab4e97564bf6a5500d6dc04b220..37463f54824b15b09e17243dd7fb212c599bece6 100644 (file)
--- a/print-loopback.c
+++ b/print-loopback.c
@@ -29,7 +29,8 @@
 
 /*
  * originally defined as the Ethernet Configuration Testing Protocol.
 
 /*
  * originally defined as the Ethernet Configuration Testing Protocol.

- * specification: https://www.mit.edu/people/jhawk/ctp.pdf
+ * specification:
+ * https://web.archive.org/web/20060919181108/http://www.mit.edu/people/jhawk/ctp.pdf

  */
 
 #ifdef HAVE_CONFIG_H
  */
 
 #ifdef HAVE_CONFIG_H