Commit 2628c562bc74c177fd3965618dfee15204d4af5b

DRC 2016-04-14T14:19:19

BUILDING.md: Fix "... OR ..." indentation again <sigh> GitHub doesn't render indented text the same as my local MarkDown viewer (MacDown), so it's necessary to indent "... OR ..." by 3 spaces so both will display it on the same indentation level as "Visual C++ 2005 or later" and "MinGW".