edit openmp_off flag name

Author: grantfirl

CMakeLists.txt

@@ -128,7 +128,7 @@ endif()
 # of files with standard compiler flags, and assign no-OpenMP flags
 if(SCHEMES_OPENMP_OFF)
   SET_PROPERTY(SOURCE ${SCHEMES_OPENMP_OFF}
-               APPEND_STRING PROPERTY COMPILE_FLAGS " ${CMAKE_Fortran_FLAGS_RTERRTMGP}")
+               APPEND_STRING PROPERTY COMPILE_FLAGS " ${CMAKE_Fortran_FLAGS_OPENMP_OFF}")
   list(REMOVE_ITEM SCHEMES ${SCHEMES_OPENMP_OFF})
 endif()