Have IPMI avoid conflicts between Socket6 and INET in some configs

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@11425 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/lib/perl/xCAT/IPMI.pm

@@ -14,7 +14,8 @@ use lib "$::XCATROOT/lib/perl";
 use strict;
 use warnings "all";
 
-use IO::Socket::INET;
+use IO::Socket::INET qw/!AF_INET6 !PF_INET6/;
+
 my $doipv6=eval {
 	require IO::Socket::INET6; 
 	IO::Socket::INET6->import();