Added an auxiliary predicate for reversing the entity prefix used in the compiled code, returning the entity identifier. This predicate is used in error handling.
Added an auxiliary predicate for reversing the entity prefix used in the compiled code, returning the entity identifier. This predicate is used in error handling.

git-svn-id: 4c7b768bc2e2a56aa1c56b1b5a9454ba68342430@4554 ac9c905b-388a-4ddf-9b6a-4063a022bc57

LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2