Added include guards to enroll.h
Added include guards to enroll.h

kba/clstm,tmbdev/clstm,kba/clstm,amitdo/clstm,tmbdev/clstm,amitdo/clstm,amitdo/clstm,tmbdev/clstm,amitdo/clstm,jbaiter/clstm,MichalBusta/clstm,jbaiter/clstm,kba/clstm,MichalBusta/clstm,tmbdev/clstm,jbaiter/clstm,jbaiter/clstm,MichalBusta/clstm,MichalBusta/clstm,kba/clstm