Do not wrap lines in AC_CHECK_HEADERS/AC_CHECK_FUNCS (fixes detection in mingw) Fixes: d433f847 ("Revert "build: use literals for AC_CHECK_HEADERS/AC_CHECK_FUNCS"") Fixes: 28f0fe6f ("build: use literals for AC_CHECK_HEADERS/AC_CHECK_FUNCS") Fixes: ce028cef ("build: fix autotools build under mingw")