build: Fix `make check` wrt header file naming changes
build: Fix `make check` wrt header file naming changes

MathieuDuponchelle/uhttpmock,pwithnall/uhttpmock,Distrotech/uhttpmock,Distrotech/uhttpmock,pwithnall/uhttpmock,MathieuDuponchelle/uhttpmock,MathieuDuponchelle/uhttpmock