msvc build: add include path to scm_version.h
msvc build: add include path to scm_version.h

Limecraft/ebu-bmx,stuarthicks/bmx,Limecraft/ebu-bmx,ebu/ebu-bmx,xunchangguo/BMX,kierank/bmxlib-bmx,stuarthicks/bmx,kierank/bmxlib-bmx,Limecraft/ebu-bmx,ebu/ebu-bmx,ebu/ebu-bmx,xunchangguo/BMX,stuarthicks/bmx,kierank/bmxlib-bmx,xunchangguo/BMX