From: Kajol Jain <kj...@linux.ibm.com>

Running shellcheck on stat_output.sh throws below warning:

In tests/shell/lib/stat_output.sh line 1:
^-- SC2148 (error): Tips depend on target shell and yours is unknown. Add a 
shebang or a 'shell' directive.

Fixed the warning by adding shell directive.

Signed-off-by: Athira Rajeev <atraj...@linux.vnet.ibm.com>
Signed-off-by: Kajol Jain <kj...@linux.ibm.com>
---
 tools/perf/tests/shell/lib/stat_output.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/tests/shell/lib/stat_output.sh 
b/tools/perf/tests/shell/lib/stat_output.sh
index 363979b1123d..db2a53e6989c 100755
--- a/tools/perf/tests/shell/lib/stat_output.sh
+++ b/tools/perf/tests/shell/lib/stat_output.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 # SPDX-License-Identifier: GPL-2.0
 
 # Return true if perf_event_paranoid is > $1 and not running as root.
-- 
2.39.1

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