Bug# 18672: IconvGNUTranscoder can't be build when namespaces is on.

                      Patch from Bacek@yandex-team.ru (Vasily Tchekalkin)


git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@174899 13f79535-47bb-0310-9956-ffa450edef68