XCODE fix for unresolved symbols
XCODE fix for unresolved symbols

Signed-off-by: Vassil Vassilev <0b291c0bdb4e22c8b7705ceedf8e168ff73f20e8@cern.ch>

root-mirror/cling,marsupial/cling,root-mirror/cling,karies/cling,root-mirror/cling,marsupial/cling,marsupial/cling,marsupial/cling,karies/cling,karies/cling,root-mirror/cling,root-mirror/cling,karies/cling,marsupial/cling,root-mirror/cling,karies/cling,marsupial/cling,karies/cling