Change psh to not leave STDIN open. Hopefully this helps ssh not get hung up expecting enters inexplicably

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.7@12050 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-client/bin/psh

@@ -5,6 +5,7 @@ BEGIN
 {
    $::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : -d '/opt/xcat' ? '/opt/xcat' : '/usr';
 }
+close(STDIN);
 use lib "$::XCATROOT/lib/perl";
 use IO::Socket::SSL;
 use XML::Simple;