FIX: cc/input.cpp: error: "clog" is not a member of "std"
FIX: cc/input.cpp: error: "clog" is not a member of "std"

Include iostream to fix this with some configurations.
  (found on Debian Squeeze, gcc 4.4.5, Boost 1.42)

Signed-off-by: Toni Gundogdu <eac2284b3c43676907b96f08de9d3d52d5df0361@gmail.com>

legatvs/cclive,legatvs/cclive,legatvs/cclive