Updated build.properties to include performance.options.
diff --git a/bundles/org.eclipse.core.runtime/build.properties b/bundles/org.eclipse.core.runtime/build.properties
index 7526e15..cbaf715 100644
--- a/bundles/org.eclipse.core.runtime/build.properties
+++ b/bundles/org.eclipse.core.runtime/build.properties
@@ -14,7 +14,8 @@
                plugin.xml,\
                *.jar,\
                META-INF/,\
-               asl-v20.txt
+               asl-v20.txt,\
+               performance.options
 source.runtime.jar = src/
 src.includes=about.html,schema/,component.xml