Disabled serialVersionUID warnings in IntelliJ. No more warnings\!

git-svn-id: https://google-guice.googlecode.com/svn/trunk@372 d779f126-a31b-0410-b53b-1d3aecad763e
diff --git a/guice.ipr b/guice.ipr
index 9324bc7..090e743 100644
--- a/guice.ipr
+++ b/guice.ipr
@@ -170,7 +170,7 @@
     <option name="DEBUGGING_INFO" value="true" />
     <option name="GENERATE_NO_WARNINGS" value="false" />
     <option name="DEPRECATION" value="true" />
-    <option name="ADDITIONAL_OPTIONS_STRING" value="-Xlint:all" />
+    <option name="ADDITIONAL_OPTIONS_STRING" value="-Xlint:all -Xlint:-serial" />
     <option name="MAXIMUM_HEAP_SIZE" value="256" />
   </component>
   <component name="JavadocGenerationManager">