Ruby » Ruby master

time.rb: fix parsing time zone in iso8601

• lib/time.rb (Time.xmlschema): the minute in time zone designator
  can be omitted together with the preceding colon.
  [ruby-core:87277] [Bug #14790]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63514 b2dd03c8-39d4-4d8f-98ff-823fe69b080e