This should slightly improve performance in non-threaded proj constraint generation, may save us from a race condition leading to inaccurate proj constraints in a few corner cases (3D, level one rule off; or AMR combined with periodic BCs) when we're threaded.
This should slightly improve performance in non-threaded proj
constraint generation, may save us from a race condition leading to
inaccurate proj constraints in a few corner cases (3D, level one rule
off; or AMR combined with periodic BCs) when we're threaded.



git-svn-id: ffc1bc5b3feaf8644044862cc38c386ade156493@5889 434f946d-2f3d-0410-ba4c-cb9f52fb0dbf

certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh