Fix typo in NEWS.
Fix typo in NEWS.

wbhart/flint2,dsroche/flint2,dsroche/flint2,jpflori/flint2,dsroche/flint2,jpflori/flint2,fredrik-johansson/flint2,fredrik-johansson/flint2,wbhart/flint2,jpflori/flint2,jpflori/flint2,dsroche/flint2,wbhart/flint2,fredrik-johansson/flint2