mxsnoop: install in /usr/sbin

mxsnoop.sh turns a host into a network traffic recorder.

More info in the twiki:

 - http://twiki.molgen.mpg.de/foswiki/Medv/SchnueffelStueck

 - http://twiki.molgen.mpg.de/foswiki/Medv/InvRegMOGE04137920000

install.sh

@@ -229,6 +229,7 @@ install_data prun/ptype.1                                 "$DESTDIR$usr_mandir/m
 install_data prun/pman.1                                  "$DESTDIR$usr_mandir/man1/pman.1"
 install_exec crashkernel/startup-crashmemory              "$DESTDIR$usr_sbindir/startup-crashmemory"
 install_data crashkernel/startup-crashmemory.service      "$DESTDIR$systemdunitdir/startup-crashmemory.service"
+install_exec mxsnoop/mxsnoop.sh                           "$DESTDIR$usr_sbindir/mxsnoop.sh"
 
 postinstall
 exit