This updates these files to use the license notification that uses only
the BSD license. The changes were acknowledged by email (Dan Williams
<dcbw@redhat.com>, Sun, 01 Jul 2012 15:53:36 -0500).
Signed-hostap: Jouni Malinen <j@w1.fi>
These header files are included outside the dbus subdirectory and there
is not really any need to force the libdbus dbus/dbus.h header file to
be included into these files.