update known working versions, and adjust AM_CONFIG_HEADER to
AC_CONFIG_HEADERS.

Index: INSTALL
===================================================================
RCS file: /coda-src/rvm/INSTALL,v
retrieving revision 1.1
diff -u -r1.1 INSTALL
--- a/INSTALL	8 Feb 2000 03:50:38 -0000	1.1
+++ b/INSTALL	24 Feb 2004 16:54:46 -0000
@@ -11,7 +11,7 @@
 
 You need to have automake, autoconf, and libtool installed on your system in
 order to set up the build environment. Known versions that work are automake
-1.4, autoconf 2.13, and libtool 1.2f.
+1.8, autoconf 2.59, and libtool 1.5.2.
 
     $ cvs -d':pserver:anonymous_at_coda.cs.cmu.edu:/coda-src' login
     Password: <return>
Index: configure.in
===================================================================
RCS file: /coda-src/rvm/configure.in,v
retrieving revision 1.25
diff -u -r1.25 configure.in
--- a/configure.in	16 Feb 2004 21:44:46 -0000	1.25
+++ b/configure.in	24 Feb 2004 16:54:46 -0000
@@ -6,7 +6,7 @@
 AC_CONFIG_SRCDIR(rvm/rvm_private.h)
 CODA_SETUP_BUILD
 AM_INIT_AUTOMAKE(rvm, 1.8)
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 
 dnl For library version updates, follow these steps in order.
 dnl - when any library source has changed, increment first