initialize enum-typed field to avoid NPE in switch in CalloutImplementor.java:581.
diff --git a/org.eclipse.jdt.core/compiler/org/eclipse/objectteams/otdt/internal/core/compiler/ast/MethodSpec.java b/org.eclipse.jdt.core/compiler/org/eclipse/objectteams/otdt/internal/core/compiler/ast/MethodSpec.java
index 37b3861..961f187 100644
--- a/org.eclipse.jdt.core/compiler/org/eclipse/objectteams/otdt/internal/core/compiler/ast/MethodSpec.java
+++ b/org.eclipse.jdt.core/compiler/org/eclipse/objectteams/otdt/internal/core/compiler/ast/MethodSpec.java
@@ -108,7 +108,7 @@
 		/** Callout uses a generic _OT$access or _OT$accessStatic method generated by the OTREDyn. */
 		DYN_ACCESS
 	}
-	public ImplementationStrategy implementationStrategy;
+	public ImplementationStrategy implementationStrategy = ImplementationStrategy.DIRECT;
 
 	/**
 	 * Parsing thought it was reading a method declaration.