--- a/hotspot/src/share/vm/prims/jvmtiEnvThreadState.hpp	Wed Jul 28 17:57:43 2010 -0400
+++ b/hotspot/src/share/vm/prims/jvmtiEnvThreadState.hpp	Tue Aug 03 08:13:38 2010 -0400
@@ -24,6 +24,8 @@
 #ifndef _JAVA_JVMTIENVTHREADSTATE_H_
 #define _JAVA_JVMTIENVTHREADSTATE_H_
 
+class JvmtiEnv;
+
 ///////////////////////////////////////////////////////////////
 //
 // class JvmtiFramePop