ticket:10082: Fix timezone detection on Solaris

git-svn-id: http://source.icu-project.org/repos/icu/icu@33609 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10129: Fix Windows timezone name truncation

git-svn-id: http://source.icu-project.org/repos/icu/icu@33610 251d0590-4201-4cf1-90de-194747b24ca1