tcptrace csv format does not format number properly

[De Coninck]

When I analyze a connection using 'tcptrace -n -l -r', I get for instance

...
TCP connection 20:
 host am: 192.168.1.190:34086
 host an: 37.187.114.90:995
 complete conn: no (SYNs: 2) (FINs: 0)
 first packet: Fri Feb 20 04:49:22.092902 2015
 last packet: Fri Feb 20 04:49:22.335740 2015
 elapsed time: 0:00:00.242838
...

But if I add the option --csv ('tcptrace -n -l -r --csv', I get

conn_#,host_a,host_b,port_a,port_b,first_packet,last_packet,...
...
20,192.168.1.190,37.187.114.90,34086,995,1424404162.92902 , 1424404162.335740 , ...

In other words, the 0 just after the decimal goes away for the first packet attribute, and instead of having 1424404162.092902, we have 1424404162.92902. The same remark applies for last packet

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: tcptrace 6.6.7-4.1
ProcVersionSignature: Ubuntu 3.13.0-46.77-generic 3.13.11-ckt15
Uname: Linux 3.13.0-46-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
CurrentDesktop: X-Cinnamon
Date: Thu Mar 5 21:06:04 2015
InstallationDate: Installed on 2014-12-26 (68 days ago)
InstallationMedia: Cubuntu 14.04.182 LTS - Release amd64
SourcePackage: tcptrace
UpgradeStatus: No upgrade log present (probably fresh install)