OOP: code generated for 'finally' now only uses C++11 if it is supported by...

OOP: code generated for 'finally' now only uses C++11 if it is supported by the C++ compiler (Bug 568899)

Signed-off-by: Botond Baranyi <botond.baranyi@ericsson.com>
Change-Id: I75568c10eae09937187317bb6d03cac2e0cfe636