configure.ac: use AC_HEADER_DIRENT to check for dirent.h.

diff --git a/configure.ac b/configure.ac
index cf5ccce074bc7d9936388ed0457c4a06a6b1669a..26b7ca27391fd24b2e7eff53313bab9be3329cfd 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -9,6 +9,7 @@ AC_PROG_CC
 AM_PROG_AR
 
 # Predefined header checks.
+AC_HEADER_DIRENT  # dirent.h
 AC_HEADER_STAT    # sys/stat.h
 AC_HEADER_STDBOOL # stdbool.h
 AC_HEADER_STDC    # stdlib.h string.h (implied: errno.h limits.h stdio.h)