jcf: use IDEBuildOptions macro

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45373 4005530d-fff6-0310-9dd1-cebe43e6787f
lazwebextra: clean up and use IDEBuildOptions, patch from Reinier 26287

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45374 4005530d-fff6-0310-9dd1-cebe43e6787f