Enable error lifetime checking by default in maintainer mode, causing processes to abort when terminating if any error objects remain unhandled.
Enable error lifetime checking by default in maintainer mode, causing
processes to abort when terminating if any error objects remain unhandled.

* subversion/libsvn_subr/error.c
  (err_abort, make_error_internal, svn_error_compose, svn_error_dup,
   svn_error_clear): Change code sections guarded by SVN_DEBUG_ERROR to
     use SVN_DEBUG instead.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion