[SofaPython] extern "C" in Binding_Data
[SofaPython] extern "C" in Binding_Data

(cherry picked from commit 1e3d105e171126027453f8dc1b13b947d9b497fa)

FabienPean/sofa,FabienPean/sofa,FabienPean/sofa,FabienPean/sofa,FabienPean/sofa,FabienPean/sofa,FabienPean/sofa,FabienPean/sofa,FabienPean/sofa,FabienPean/sofa