Workaround non-standard C warning in PETSc header
Workaround non-standard C warning in PETSc header

We can forgive them since there *is* no standard for quad precision,
but we still don't want to die whenever someone combines quad
precision with Werror.

hrittich/libmesh,roystgnr/libmesh,BalticPinguin/libmesh,capitalaslash/libmesh,roystgnr/libmesh,jwpeterson/libmesh,jwpeterson/libmesh,BalticPinguin/libmesh,dschwen/libmesh,dschwen/libmesh,BalticPinguin/libmesh,libMesh/libmesh,jwpeterson/libmesh,dschwen/libmesh,BalticPinguin/libmesh,jwpeterson/libmesh,dschwen/libmesh,libMesh/libmesh,roystgnr/libmesh,libMesh/libmesh,hrittich/libmesh,capitalaslash/libmesh,capitalaslash/libmesh,capitalaslash/libmesh,libMesh/libmesh,jwpeterson/libmesh,hrittich/libmesh,BalticPinguin/libmesh,roystgnr/libmesh,libMesh/libmesh,libMesh/libmesh,roystgnr/libmesh,hrittich/libmesh,capitalaslash/libmesh,roystgnr/libmesh,capitalaslash/libmesh,BalticPinguin/libmesh,dschwen/libmesh,capitalaslash/libmesh,capitalaslash/libmesh,roystgnr/libmesh,jwpeterson/libmesh,BalticPinguin/libmesh,hrittich/libmesh,hrittich/libmesh,dschwen/libmesh,dschwen/libmesh,jwpeterson/libmesh,libMesh/libmesh,roystgnr/libmesh,libMesh/libmesh,hrittich/libmesh,hrittich/libmesh,dschwen/libmesh,jwpeterson/libmesh,hrittich/libmesh,BalticPinguin/libmesh