tcpreplay: add simple test.sh for all executables

Signed-off-by: Alexandru Ardelean <alex@shruggie.ro>

net/tcpreplay/test.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+[ "$1" = "tcpreplay-all" ] || exit 0
+
+EXEC_LIST="tcpbridge tcpliveplay tcpreplay tcprewrite tcpcapinfo tcpprep tcpreplay-edit"
+
+for executable in $EXEC_LIST ; do
+	$executable --version
+	$executable --version 2>&1 | grep "$2"
+	[ $? == 0 ] || {
+		echo "Problem or incorrect version for '$executable'"
+		exit 1
+	}
+done
+