Fixed bug with class loading.
diff --git a/bundles/org.eclipse.core.expressions/plugin.xml b/bundles/org.eclipse.core.expressions/plugin.xml
index 29e623a..1b081c9 100644
--- a/bundles/org.eclipse.core.expressions/plugin.xml
+++ b/bundles/org.eclipse.core.expressions/plugin.xml
@@ -6,6 +6,12 @@
    version="3.1.0"
    provider-name="%providerName"
    class="org.eclipse.core.internal.expressions.ExpressionPlugin">
+   
+   <runtime>
+      <library name=".">
+         <export name="*"/>
+      </library>
+   </runtime>
 
    <requires>
    	  <import plugin="org.eclipse.core.runtime"/>