bgpd: Set Paths Limit to 0 instead of unsetting the capability

The capability should be untouched, and send 0 (unlimited) instead.

Otherwise, we miss the capability and things are broken later until the
session reset.

Fixes: 72f0e06 ("bgpd: Implement Paths-Limit capability")

Signed-off-by: Donatas Abraitis <[email protected]>

bgpd/bgp_vty.c

@@ -9261,7 +9261,7 @@ DEFPY (no_neighbor_addpath_paths_limit,
 	peer->addpath_paths_limit[afi][safi].send = 0;
 
 	bgp_capability_send(peer, afi, safi, CAPABILITY_CODE_PATHS_LIMIT,
-			    CAPABILITY_ACTION_UNSET);
+			    CAPABILITY_ACTION_SET);
 
 	return ret;
 }