move to RC4 labels
diff --git a/releng.control/config.xml b/releng.control/config.xml
index a29fd01..2f18af7 100644
--- a/releng.control/config.xml
+++ b/releng.control/config.xml
@@ -109,7 +109,7 @@
 				localworkingcopy="${build.home}/build-node/checkout/wtp-I/releng.wtpbuilder" />
 		</modificationset>
 
-		<schedule interval="${time.oneHour}">
+		<schedule interval="${time.OnRequestOnly}">
 			<ant
 				antscript="${build.home}/releng.control/ant.sh"
 				buildfile="committer.xml"
@@ -243,7 +243,7 @@
 				localworkingcopy="${build.home}/build-node/checkout/wtp-S/releng.wtpbuilder" />
 		</modificationset>
 
-		<schedule interval="${time.OnRequestOnly}">
+		<schedule interval="${time.oneHour}">
 			<ant
 				antscript="${build.home}/releng.control/ant.sh"
 				buildfile="committer.xml"
@@ -256,7 +256,7 @@
 					value="S" />
 				<property
 					name="buildId"
-					value="1.5RC3" />
+					value="1.5RC4" />
 				<property
 					name="mapVersionTag"
 					value="HEAD" />