config: fix missed M2_HOME declaration (#3456)
config: fix missed M2_HOME declaration (#3456)


nikhilgupta23/checkstyle,jonmbake/checkstyle,jochenvdv/checkstyle,bansalayush/checkstyle,romani/checkstyle,sharang108/checkstyle,checkstyle/checkstyle,rnveach/checkstyle,vboerchers/checkstyle,izishared/checkstyle,AkshitaKukreja30/checkstyle,nikhilgupta23/checkstyle,MEZk/checkstyle,bansalayush/checkstyle,vboerchers/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,romani/checkstyle,jochenvdv/checkstyle,bansalayush/checkstyle,izishared/checkstyle,rnveach/checkstyle,checkstyle/checkstyle,romani/checkstyle,MEZk/checkstyle,sabaka/checkstyle,rnveach/checkstyle,rnveach/checkstyle,liscju/checkstyle,sirdis/checkstyle,jochenvdv/checkstyle,sabaka/checkstyle,ilanKeshet/checkstyle,sirdis/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,liscju/checkstyle,AkshitaKukreja30/checkstyle,nikhilgupta23/checkstyle,izishared/checkstyle,romani/checkstyle,sabaka/checkstyle,romani/checkstyle,vboerchers/checkstyle,romani/checkstyle,ilanKeshet/checkstyle,AkshitaKukreja30/checkstyle,sirdis/checkstyle,sharang108/checkstyle,liscju/checkstyle,ilanKeshet/checkstyle,rnveach/checkstyle,jonmbake/checkstyle,MEZk/checkstyle,jonmbake/checkstyle,sharang108/checkstyle,rnveach/checkstyle