Tests: Fix RunCMake.try_run case on gfortran < 4.3
Since !8871 (merged) the test has failed with gfortran < 4.3 because it does not support the Fortran syntax used by the test. Add a version check.
Since !8871 (merged) the test has failed with gfortran < 4.3 because it does not support the Fortran syntax used by the test. Add a version check.