make compilation of vector.cpp more flexible - i.e. compile inside ROOT
make compilation of vector.cpp more flexible - i.e. compile inside ROOT

VcDevel/Vc,chr-engwer/Vc,chr-engwer/Vc,VcDevel/Vc,VcDevel/Vc,VcDevel/Vc,chr-engwer/Vc