use -fPIC only for libVc_MIC (if the compiler supports the flag)
use -fPIC only for libVc_MIC (if the compiler supports the flag)

now -fPIC is not used for executables anymore, thus getting the good ICC
optimizer to work...

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