Signed-off-by: Thomas Faivre <thomas.faivre@6wind.com>

Added PAUSE when scapy crashes (to see error code), so the cmd won't
close itself

The old batch file worked on Python 2.5 but lead to the
following error under Python 2.6:
c:\Python26\python.exe: scapy is a package and cannot be directly executed
New file should work under both versions.