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-rw-r--r--tools/perf/util/annotate-data.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/annotate-data.c b/tools/perf/util/annotate-data.c
index e183c6104d59..07cf9c334be0 100644
--- a/tools/perf/util/annotate-data.c
+++ b/tools/perf/util/annotate-data.c
@@ -4,7 +4,7 @@
*
* Written by Namhyung Kim <namhyung@kernel.org>
*/
-
+#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>