René Stadler ca9a31ddd9 columns: auto size time column when setting base time
Base time formatting adds + or - in front of the timestamp, so the column has
to grow a little to not hide the last digit.

Also fixes a crash when setting the base time while the time column is hidden.
2014-09-11 20:51:47 +02:00
..
2014-09-11 20:51:46 +02:00