c8bf63 Fix log noise on IPv6 connections

Authored and Committed by pghmcfc 5 years ago
    Fix log noise on IPv6 connections
    
    Upstream fix to ignore any ENOPROTOOPT errors when setting the IPv6 TCLASS (TOS)
    flags on the socket; they make for noisier logging without providing any
    actual value to the user/admin.
    http://bugs.proftpd.org/show_bug.cgi?id=4055
    
        
file modified
+13 -1