-#serial 4
+#serial 5
dnl From Paul Eggert.
# Define ST_MTIM_NSEC to be the nanoseconds member of struct stat's st_mtim,
# if it exists.
-AC_DEFUN(AC_STRUCT_ST_MTIM_NSEC,
+AC_DEFUN([AC_STRUCT_ST_MTIM_NSEC],
[AC_CACHE_CHECK([for nanoseconds member of struct stat.st_mtim],
ac_cv_struct_st_mtim_nsec,
[ac_save_CPPFLAGS="$CPPFLAGS"