ticket:9732: Fixed tzdata build problem - additional fix to r32877

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@33387 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9732: Update tzdata in ICU4C trunk to 2013a

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@33389 251d0590-4201-4cf1-90de-194747b24ca1