Compile bluetooth for QtConnectivity under C++11 mode
Compile bluetooth for QtConnectivity under C++11 mode

In the spirit of:
https://codereview.qt-project.org/#change,29448

Noticed when doing qt5 build under Ubuntu 12.04.

Change-Id: Id7ffa6eab26ef78deeeb76be67cf337a3bc32311
Reviewed-by: Thiago Macieira <0ed1648d92ca0373297a182b1dba1b974ad10d88@intel.com>

kobolabs/qtconnectivity,kobolabs/qtconnectivity,kobolabs/qtconnectivity