scan: Fix printing of unknown WPS vendor extension
scan: Fix printing of unknown WPS vendor extension

When an unknown WPS vendor extension is encountered a '\t' was
inserted without a matching message with '\n'. This would impact
the output of following data. Fix it

Change-Id: I86c40c088592ecc7713b0793e0ac56e41d3607a3
Signed-off-by: Ilan Peer <61a30686a541b51b1d2da34e3c8fefce57fb45f2@intel.com>
Signed-off-by: Johannes Berg <bff32994ff0f8d048f262a8388145a71b6071bfe@intel.com>

greearb/iw-ct,greearb/iw-ct