fixing mail address
diff --git a/releng.control/commonVariations.shsource b/releng.control/commonVariations.shsource
index 6b11aa5..d8106a9 100644
--- a/releng.control/commonVariations.shsource
+++ b/releng.control/commonVariations.shsource
@@ -49,7 +49,7 @@
 # note: buildmaster email address should be "real" address
 # that is subscribed to the mailing list, if you want to send
 # mail to mailing lists.
-export BUILD_BUILDMASTER_EMAIL=david_williams@eclipse.org
+export BUILD_BUILDMASTER_EMAIL=david.williams@eclipse.org
 export BUILD_BUILDMASTER_RETURN_NAME=wtpBuilder
 export BUILD_RESULT_URL=http://build.eclipse.org:7777/dashboard/build/detail
 export BUILD_ALWAYS_TO_ADDRESS=david_williams@us.ibm.com