__kmp_partition_places: Update assertion for new parameter update_master_only
__kmp_partition_places: Update assertion for new parameter update_master_only

If update_master_only is set the place list is not completely traversed
and therefore this assertion failed. Make it only trigger if
update_master_only is false.

(was introduced by D20539)

Differential Revision: http://reviews.llvm.org/D21925

git-svn-id: f99161ee8ccfe2101cbe1bdda2220bce2ed25485@274482 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/openmp,llvm-mirror/openmp,llvm-mirror/openmp,llvm-mirror/openmp,llvm-mirror/openmp