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-rw-r--r--include/opkele/extension.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/opkele/extension.h b/include/opkele/extension.h
index ea0c74c..513672f 100644
--- a/include/opkele/extension.h
+++ b/include/opkele/extension.h
@@ -16,4 +16,6 @@ namespace opkele {
class extension_t {
public:
+
+ virtual ~extension_t() { }
/**
* hook called by consumer before submitting data to OpenID server.