ticket:10069: Take into account compatible currency symbols, e.g half-width and full width yen symbol when parsing currencies in C++. Currency equivalence relation is hard-coded for now.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@33825 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10069: Attempt to fix broken build by doing int->int32_t.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@33827 251d0590-4201-4cf1-90de-194747b24ca1