osmo-auc-gen: Print hex values without intermittent spaces

When generating some authentication vectors using the osmo-auc-gen
utility, it used to print values like this:

AUTN:   f7 55 bc 47 de d0 00 00 f9 ed 4b 3f 6c 2a 97 6f

which is quite difficult to copy+paste on the terminal.  Now it
generates the following format:

Change-Id: I2805615e0c2087ca632e0658b37a9e06929620b6
AUTN:   f755bc47ded00000f9ed4b3f6c2a976f
Reviewed-on: https://gerrit.osmocom.org/164
Reviewed-by: Harald Welte <laforge@gnumonks.org>
Tested-by: Jenkins Builder
1 file changed