fix up build paths
diff --git a/releng.control/checkout.xml b/releng.control/checkout.xml
index a3fd32b..7ffa636 100644
--- a/releng.control/checkout.xml
+++ b/releng.control/checkout.xml
@@ -231,7 +231,7 @@
             dir="${codir}/releng.wtpbuilder"
             failonerror="false" />
         <echo
-            message="Version tag for ${releng.wtpbuilder} is: ${wtpBuilderVersion}" />
+            message="Version tag for ${env.RELENGWTPBUILDER} is: ${wtpBuilderVersion}" />
         <cvs
             quiet="${env.CVS_QUIET}"
             reallyquiet="${env.CVS_REALLY_QUIET}"