Get ffi-icu working on older versions of libicu again - specifically 3.6 and higher.
Get ffi-icu working on older versions of libicu again - specifically 3.6 and higher.

fantasticfears/ffi-icu,marek-veber/ffi-icu,fantasticfears/ffi-icu,pressrelations/ffi-icu,jarib/ffi-icu,cfis/ffi-icu,marek-veber/ffi-icu,pressrelations/ffi-icu,cfis/ffi-icu,jarib/ffi-icu