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-rw-r--r--core/metrics.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/core/metrics.h b/core/metrics.h
index ca281b3b1..4c636bcc4 100644
--- a/core/metrics.h
+++ b/core/metrics.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* metrics.h
*