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-rw-r--r--plugins/Ping/src/collection.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/plugins/Ping/src/collection.h b/plugins/Ping/src/collection.h
index 6e1615ea01..73e36fe704 100644
--- a/plugins/Ping/src/collection.h
+++ b/plugins/Ping/src/collection.h
@@ -1,3 +1,5 @@
+#pragma once
+
template<class T> class Collection
{
protected: