Fix for #77 - NPE when lazy loading on a OneToMany that is not a leaf

src/test/java/com/avaje/tests/model/inheritmany/IMRootOne.java

@@ -0,0 +1,20 @@
+package com.avaje.tests.model.inheritmany;
+
+import javax.persistence.DiscriminatorValue;
+import javax.persistence.Entity;
+
+@Entity
+@DiscriminatorValue("ONE")
+public class IMRootOne extends IMRoot {
+
+  String name;
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+  
+}