FortranCInterface: Fix failure with gfortran 12 and Clang
The C flags added by !6879 (merged) should only be added for the GNU C compiler.
Fixes: #23500 (closed)
Issue: #23123 (closed)
Backport: release
The C flags added by !6879 (merged) should only be added for the GNU C compiler.
Fixes: #23500 (closed)
Issue: #23123 (closed)
Backport: release