small engine translation updates. Thanks to community members 'Wuzzy' and 'Flandre Scarlet' for their suggestions :)
remove 70c086d9b03f - I suspect the issue was actually part of more general prob probably fixed in cfc44db21d72 by jaree
and now engine in c links too (with more manual intervention as of
issue #596)
engine to c now compiles with some manual intervention (as of
bug #596)