ticket:9953: Fix app data declaration in uconv

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@33296 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9673: update valid byte range in euc-jp

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@33297 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9804: fix unused-variable warning, safer memory management

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@33299 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9077 Incorporate review comments.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@33300 251d0590-4201-4cf1-90de-194747b24ca1