mknod: be more vocal about danger of running tests as root
* m4/mknod.m4 (gl_FUNC_MKNOD): Make it harder to run configure as
root, since that is just asking for problems.
mknod: be more vocal about danger of running tests as root
* m4/mknod.m4 (gl_FUNC_MKNOD): Make it harder to run configure as
root, since that is just asking for problems.