Portupgrade -- sshguard compile failure

[David Southwell]

Error as below..
Where do I go from here?
----------------------
Making all in src
cd .. && /bin/sh /usr/ports/security/sshguard/work/sshguard-1.2/missing --run 
autoheader
aclocal.m4:14: error: this file was generated for autoconf 2.61.
You have another version of autoconf.  If you want to use that,
you should regenerate the build system entirely.
aclocal.m4:14: the top level
autom4te-2.62: /usr/local/bin/gm4 failed with exit status: 63
autoheader-2.62: '/usr/local/bin/autom4te-2.62' failed with exit status: 63
*** Error code 1

Stop in /usr/ports/security/sshguard/work/sshguard-1.2/src.
*** Error code 1

Stop in /usr/ports/security/sshguard/work/sshguard-1.2.
*** Error code 1

Stop in /usr/ports/security/sshguard.
[root at dns1 /usr/ports/security/sshguard]# pkg_info |grep autoconf
autoconf-2.13.000227_6 Automatically configure source code on many Un*x 
platforms
autoconf-2.62       Automatically configure source code on many Un*x platforms
autoconf-wrapper-20071109 Wrapper script for GNU autoconf
[root at dns1 /usr/ports/security/sshguard]#