libext2fs: include config.h for HAVE_xxx defines

We check HAVE_UNISTD_H but haven't included config.h yet, so we end up
hitting warnings about missing prototypes for close/read/etc... funcs.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
1 file changed