Make script for program o3o3.f90

# written by EH 09-2022
gfortran -std=gnu -fdefault-real-8 -cpp -fno-align-commons -g -c gkssubs2.f90
gfortran -std=gnu -fdefault-real-8 -cpp -fno-align-commons -DNOGKS -g -o o3o3_3 o3o3_3.f90 gkssubs2.o