log.dat: Fix an error with 'monit' logging too much data.

Making the regex "non-greedy" fixes an error Jon found.

'monit' logged a whole line from '/var/log/messages' where it should only log the first part.

Reference:
https://www.ultraedit.com/support/tutorials-power-tips/ultraedit/non-greedy-perl-regex.html

Signed-off-by: Matthias Fischer <matthias.fischer@ipfire.org>
Reviewed-by: Peter Müller <peter.mueller@ipfire.org>

html/cgi-bin/logs.cgi/log.dat

@@ -62,7 +62,7 @@ my %sections = (
         'ipfire' => '(ipfire: )',
         'ipsec' => '(ipsec_[\w_]+: |pluto\[.*\]: |charon: |vpnwatch: )',
         'kernel' => '(kernel: (?!DROP_))',
-        'monit' => '(monit\[.*\]: )',
+        'monit' => '(monit\[.*?\]: )',
         'ntp' => '(ntpd(?:ate)?\[.*\]: )',
 	'oinkmaster' => '(oinkmaster\[.*\]: )',
         'openvpn' => '(openvpnserver\[.*\]: |.*n2n\[.*\]: )',