move back to "I-builds" now that RC2 is done.
diff --git a/archive/releng.builder/tools/cruise/config.xml b/archive/releng.builder/tools/cruise/config.xml
index a5e444a..88c742e 100644
--- a/archive/releng.builder/tools/cruise/config.xml
+++ b/archive/releng.builder/tools/cruise/config.xml
@@ -277,7 +277,7 @@
 					value="S" />
 				<property
 					name="buildId"
-					value="1.5RC2" />
+					value="1.5RC3" />
 				<property
 					name="mapVersionTag"
 					value="HEAD" />