Added null check in dispose() of InstructionView

If editor fails to initialize, memory is still null when dispose is
called.

diff --git a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionView.java b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionView.java
index 1da1cbf..214bd8c 100644 (file)
--- a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionView.java
+++ b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionView.java
@@ -232,7 +232,8 @@ public class InstructionView extends EditorPart
        @Override
        public void dispose()
        {
-               memory.deregisterCellModifiedListener(cellModifiedListener);
+               if (memory != null)
+                       memory.deregisterCellModifiedListener(cellModifiedListener);
                super.dispose();
        }