selftests: do not require bash to run netsocktests testcase

Nothing in this minimal script seems to require bash. We often run these
tests on embedded devices where the only shell available is the busybox
ash. Use sh instead.

Signed-off-by: Rolf Eike Beer <[email protected]>
Cc: [email protected]
Signed-off-by: Shuah Khan <[email protected]>

tools/testing/selftests/net/run_netsocktests

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 echo "--------------------"
 echo "running socket test"