patch for HOWTO

[Cody Fox <cody@xxxxxxxxxxxxxxxx>]

Hello

I have a small patch attached for the iproute2 HOWTO to fix a broken URL.
This if my first time submitting patches this way, so if I err, that's why.

Thanks,
Cody Fox

diff --git a/lartc.db b/lartc.db
index ab12035..b32b636 100644
--- a/lartc.db
+++ b/lartc.db
@@ -201,7 +201,7 @@ Here are some other references which might help teach you more:
 <VariableList>
 <VarListEntry>
   <Term>
-    <ULink URL="http://netfilter.samba.org/unreliable-guides/networking-concepts-HOWTO/index.html";>
+    <ULink URL="https://www.netfilter.org/documentation/HOWTO/networking-concepts-HOWTO.html";>
       Rusty Russell's networking-concepts-HOWTO</ULink>
   </Term>
   <ListItem>