add release qualifier
diff --git a/org.eclipse.ajdt.releng/build.properties b/org.eclipse.ajdt.releng/build.properties
index 357469c..8007f25 100644
--- a/org.eclipse.ajdt.releng/build.properties
+++ b/org.eclipse.ajdt.releng/build.properties
@@ -104,7 +104,7 @@
 # The value that will be prefixed to all version qualifiers
 # Use e34x for Eclispe 3.4 builds and e35x for 3.5 builds, etc
 # This value will be ignored if forceContextQualifier is set above or from the command line
-qualPrefix=e42x
+qualPrefix=e42x-RELEASE
 
 # upload properties
 upload.host=build.eclipse.org
@@ -127,6 +127,4 @@
 target.eclipse.version=42
 
 p2.sign=true
-
-
 p2.repository.name=AJDT Update Site