(AC_PREREQ): Make it to 2.63.

diff --git a/configure.ac b/configure.ac
index 0a61d00..e53a5fa 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_INIT([riece], [6.0.0], [liece@unixuser.org])
 AC_CONFIG_SRCDIR([configure.ac])
-AC_PREREQ(2.59)
+AC_PREREQ(2.63)
 AM_INIT_AUTOMAKE
 
 AC_CHECK_EMACS