Erwan Tulou authored Jan 02, 2010 and ivoire committed Jan 05, 2010

var_Change with VLC_VAR_SETVALUE showed a memory leak when dealing with a STRING variable.
The pf_dup function must not be called directy with a parameter passed by the caller.
otherwise, a reference is lost (memory leak)

Signed-off-by: Rémi Duraffort <ivoire@videolan.org>