* jni.cc (ClassClass): Removed; updated all users.
	(ObjectClass): Likewise.
	(ThrowableClass): Likewise.
	(MethodClass): Likewise.
	(ThreadGroupClass): Likewise.
	(local_ref_table): Renamed from `ref_table'.
	(global_ref_table): New global.
	(_Jv_JNI_Init): Initialize both ref tables.
	(mark_for_gc): Added `ref_table' parameter.
	(unmark_for_gc): Likewise.  Also, fail if we unreferenced too many
	times.
	(_Jv_JNI_NewGlobalRef): Updated for new mark function.
	(_Jv_JNI_DeleteGlobalRef): Likewise.
	(_Jv_JNI_DeleteLocalRef): Likewise.
	(_Jv_JNI_NewLocalRef): Likewise.
	(_Jv_JNI_PopLocalFrame): Likewise.
	(_Jv_JNI_GetStringChars): Likewise.
	(_Jv_JNI_ReleaseStringChars): Likewise.
	(_Jv_JNI_GetPrimitiveArrayElements): Likewise.
	(_Jv_JNI_ReleasePrimitiveArrayElements): Likewise.

From-SVN: r43409