Avoid writting past the end of array even if environment variables are corrupted or too long (coverity 21040,21041)
Avoid writting past the end of array even if environment variables are corrupted or too long (coverity 21040,21041)


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@34919 27541ba8-7e3a-0410-8455-c3a389f83636

dawehner/root,bbannier/ROOT,bbannier/ROOT,dawehner/root,bbannier/ROOT,dawehner/root,bbannier/ROOT,dawehner/root,dawehner/root,bbannier/ROOT,dawehner/root,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root