use 'status.txt' instead of 'buildstatus.html' since nothing html about it.
diff --git a/releng.control/cc_config.xml b/releng.control/cc_config.xml
index 952fb36..4656794 100644
--- a/releng.control/cc_config.xml
+++ b/releng.control/cc_config.xml
@@ -36,7 +36,7 @@
 
     <plugin
         name="currentbuildstatuslistener"
-        file="${logDir}/buildstatus.html" />
+        file="${logDir}/status.txt" />
 
     <plugin
         name="dateformat"