Clang-Tidy: ask for issues with header files to be reported.
Clang-Tidy: ask for issues with header files to be reported.

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