cmake/FindIconvCapabilities.cmake: take into account same charset capability when testing //IGNORE and //TRANSLIT [ci skip]
cmake/FindIconvCapabilities.cmake: take into account same charset capability when testing //IGNORE and //TRANSLIT [ci skip]

jddurand/c-tconv,jddurand/c-tconv,jddurand/c-tconv,jddurand/c-tconv