switching 1.5.4 to RC builds
diff --git a/releng.control/cc_config.xml b/releng.control/cc_config.xml
index 13f20d7..8909b10 100644
--- a/releng.control/cc_config.xml
+++ b/releng.control/cc_config.xml
@@ -206,7 +206,7 @@
                 -->
                 <property
                     name="buildType"
-                    value="M" />
+                    value="RC" />
 
                 <property
                     name="buildId"