[PATCH] Fix typo in Beyond Compare's 3 command line

[Pascal Quantin]

# HG changeset patch
# User Pascal Quantin <pascal.quantin at gmail.com>
# Date 1237750588 -3600
# Node ID f10b711bdc57a17f035ffb3ab86f2813c3e479f1
# Parent  b2c18c7956221df0f961ac697a01effa1233978f
Fix typo in Beyond Compare's 3 command line.

Fix a typo error preventing 'base' to be displayed properly.

diff --git a/contrib/mergetools.hgrc b/contrib/mergetools.hgrc
--- a/contrib/mergetools.hgrc
+++ b/contrib/mergetools.hgrc
@@ -51,7 +51,7 @@
 filemerge.args=-left $other -right $local -ancestor $base -merge $output
 filemerge.gui=True
 
-beyondcompare3.args=$local $other $base $output /ro /lefttitle=local /centerfile=base /righttitle=other /automerge /reviewconflicts /solo
+beyondcompare3.args=$local $other $base $output /ro /lefttitle=local /centertitle=base /righttitle=other /automerge /reviewconflicts /solo
 beyondcompare3.regkey=Software\Scooter Software\Beyond Compare 3
 beyondcompare3.regname=ExePath
 beyondcompare3.gui=True