interface/generator.cc: avoid C++11 features
interface/generator.cc: avoid C++11 features

While the generated bindings assume C++11,
the bindings generator should not.

Signed-off-by: Sven Verdoolaege <235c10dd23b819f81cdc9756a251746bc184cab6@gmail.com>

Meinersbur/isl,Meinersbur/isl,Meinersbur/isl,Meinersbur/isl