Remove globbing of ROOT IO components

io/castor/CMakeLists.txt

io/dcache/CMakeLists.txt

io/gfal/CMakeLists.txt

io/hdfs/CMakeLists.txt

io/io/CMakeLists.txt

io/rfio/CMakeLists.txt

io/sql/CMakeLists.txt

io/xml/CMakeLists.txt

io/xmlparser/CMakeLists.txt