2020d15a1a
First eliminate the variable WELL_ITEM_HSPACING since it was 0 and thus effectively was not used. Add a new variable WELL_ITEM_MIN_HSPACING which is the minimum space between grid items we allow. When computing layout, allow for a number of columns less than 4 by using the minimum item size. https://bugzilla.gnome.org/show_bug.cgi?id=595023 Based on a patch from Colin Walters.