Fixed a reduction bug in NCAlgebra.

git-svn-id: svn://svn.macaulay2.com/Macaulay2/workshops/WFU-2012@16080 a8012f80-5f13-0410-8dc0-eb77bd940c0d
trivial line change to test access
Merge branch 'master'

of github.com:Macaulay2/Workshop-2012-WakeForest