qte: fix compiler error with gcc 4.7+
qte: fix compiler error with gcc 4.7+

Adds another fix for local method call without this->.

Signed-off-by: Paul Eggleton <737d4dae46a541673d7bf4e0d5b32714b16528d8@linux.intel.com>

bluelightning/meta-opie,bluelightning/meta-opie,bluelightning/meta-opie,bluelightning/meta-opie,bluelightning/meta-opie