test: shutdown harder.

Sometimes bitcoind takes a while to shutdown.  Just kill it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

daemon/test/scripts/shutdown.sh

@@ -2,5 +2,10 @@
 
 . `dirname $0`/vars.sh
 
+[ ! -f $DATADIR/regtest/bitcoind.pid ] || BITCOIN_PID=`cat $DATADIR/regtest/bitcoind.pid`
+
 $CLI stop
 sleep 1 # Make sure socket is closed.
+
+# Now make sure it's dead.
+if [ -n "$BITCOIN_PID" ]; then kill -9 $BITCOIN_PID 2>/dev/null || true; fi