Added the shebang line at the top of file.

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
---
 samples/pktgen/functions.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/pktgen/functions.sh b/samples/pktgen/functions.sh
index c08cefb8eb1f..2578e97e46ff 100644
--- a/samples/pktgen/functions.sh
+++ b/samples/pktgen/functions.sh
@@ -1,4 +1,4 @@
-#
+#!/bin/sh
 # Common functions used by pktgen scripts
 #  - Depending on bash 3 (or higher) syntax
 #
--
2.49.1