ticket:10891 Fix buffer overflow problem in uresbund.cpp

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@35699 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10870: Use GetGeoInfoW version of GetGeoInfo

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@35700 251d0590-4201-4cf1-90de-194747b24ca1