Make ClangFormat happy.
Make ClangFormat happy.

This is the result of moving to LLVM/Clang 11.

nickerso/libcellml,nickerso/libcellml,cellml/libcellml,nickerso/libcellml,hsorby/libcellml,cellml/libcellml,cellml/libcellml,hsorby/libcellml,nickerso/libcellml,hsorby/libcellml,hsorby/libcellml,cellml/libcellml