message: Add field-interp to CMake builds.
diff: @@ -19,6 +19,10 @@ if (MFEM_USE_GSLIB)
  MAIN findpts.cpp
  LIBRARIES mfem)
  + add_mfem_miniapp(field-interp
  + MAIN field-interp.cpp
  + LIBRARIES mfem)
  +
  # Parallel apps.
  if (MFEM_USE_MPI)
  add_mfem_miniapp(pfindpts
  