Bug 72986 - ExpressionInformationControl leaks

org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/expression/ExpressionInformationControl.java

diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/expression/ExpressionInformationControl.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/expression/ExpressionInformationControl.java
index b120447..b322c19 100644
--- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/expression/ExpressionInformationControl.java
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/expression/ExpressionInformationControl.java
@@ -313,5 +313,6 @@
         if (modelPresentation != null) {
             modelPresentation.dispose();
         }
+        exp.dispose();
     }
 }