trilinos.m4: fix bug in Trilinos 9 test for NOX
trilinos.m4: fix bug in Trilinos 9 test for NOX

I ran across this in a build without Trilinos where
LIBMESH_TRILINOS_HAVE_NOX was mysteriously set due to this bug.

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