LD_LIBRARY_PATH entries exported in unix session are overriden in apachectl script

Description of problem

LD_LIBRARY_PATH entries exported in unix session are overridden in apachectl script.

Version-Release number of selected component (if applicable)

JWS 3.0

How reproducible

Every time.

Steps to Reproduce

1. Set LD_LIBRARY_PATH in a shell
2. Use apachectl to start/stop/etc
3. Observe that your LD_LIBRARY_PATH was overridden by the apachectl version.

Actual results

apachectl overwrites LD_LIBRARY_PATH

Expected results

apachectl shouldn't overwrite LD_LIBRARY_PATH

Additional info

This is the same in previous EWS releases.

Suggested amendment

See bz1231343.patch