ntp: fix hash file

Add a space between the hash and filename so the hash can be used.

Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Cc: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/ntp/ntp.hash

@@ -1,2 +1,2 @@
 # From http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2/ntp-4.2.8.tar.gz.md5
-md5	6972a626be6150db8cfbd0b63d8719e7ntp-4.2.8.tar.gz
+md5	6972a626be6150db8cfbd0b63d8719e7 ntp-4.2.8.tar.gz