logger.rb: fix midnight log rotation miss
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45071 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
logger.rb: fix midnight log rotation miss
current time with the time for the next rotation to fix rotation
miss when date changed between the comparison and log writing.
based on the patch by megayu .
[Fixes GH-539]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45071 b2dd03c8-39d4-4d8f-98ff-823fe69b080e