GitLab

Use plain AC_CHECK_HEADERS() instead, so ./configure will not check
for magic.h and zlib.h when --disable-libmagic is given.
Patch by Christian Weisgerber.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5505 35c25a1d-7b9e-4130-9fde-d3aeb78583b8