travis: use DEBUG_LOCKORDER for our quick/small Linux build
travis: use DEBUG_LOCKORDER for our quick/small Linux build

(cherry picked from commit 1b0c981cb69c63f09fef71241ded8a6279e4b993)

reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin