configure.ac: libusual is not optional

diff --git a/configure.ac b/configure.ac
index 1d6e76e5d924650ec71df8ff3da6b687d77c3579..ccc01a0cede5f3e4590f90138dc1f8cecc958a39 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -73,7 +73,7 @@ AC_SEARCH_LIBS(hstrerror, resolv)
 AC_CHECK_FUNCS(crypt lstat)
 
 dnl Find libevent
-AC_USUAL_LIBEVENT(1)
+AC_USUAL_LIBEVENT
 
 AC_USUAL_DEBUG
 AC_USUAL_CASSERT