message: Correct alphabetization in CMakeLists.txt
diff: @@ -14,6 +14,7 @@ list(APPEND SRCS
  blockoperator.cpp
  blockvector.cpp
  complex_operator.cpp
  + constrained.cpp
  densemat.cpp
  symmat.cpp
  handle.cpp
  @@ -24,7 +25,6 @@ list(APPEND SRCS
  sparsemat.cpp
  sparsesmoothers.cpp
  vector.cpp
  - constrained.cpp
  )
  list(APPEND HDRS
  @@ -32,6 +32,7 @@ list(APPEND HDRS
  blockoperator.hpp
  blockvector.hpp
  complex_operator.hpp
  + constrained.hpp
  densemat.hpp
  symmat.hpp
  dtensor.hpp
  @@ -49,7 +50,6 @@ list(APPEND HDRS
  tmatrix.hpp
  ttensor.hpp
  vector.hpp
  - constrained.hpp
  )
  if (MFEM_USE_MPI)
  