log: fix extra padding in timestamps
log: fix extra padding in timestamps

Change-Id: I665d4ab0d1401392efb9c71582d5d8d648bb5d49
Reviewed-on: http://gerrit.aldebaran.lan:8080/19167
Tested-by: llec <42f1a1c02cacc0f5b0188f0127ea77bedfdcf21a@aldebaran-robotics.com>
Reviewed-by: vpaleologue <cb19838a79eb484e12a6960acfbf7c16dfdb80d9@aldebaran-robotics.com>

bsautron/libqi,aldebaran/libqi,aldebaran/libqi,aldebaran/libqi,vbarbaresi/libqi