Remove trailing whitespaces.

include/dynamic-graph/debug.h

include/dynamic-graph/entity.h

include/dynamic-graph/exception-abstract.h

include/dynamic-graph/interpreter-helper.h

include/dynamic-graph/plugin-loader.h

include/dynamic-graph/shell-procedure.h

include/dynamic-graph/signal-array.h

include/dynamic-graph/signal-base.h

include/dynamic-graph/signal-caster.h

include/dynamic-graph/signal-ptr.h

include/dynamic-graph/signal-ptr.t.cpp

include/dynamic-graph/signal-time-dependent.h

include/dynamic-graph/signal.h

include/dynamic-graph/signal.t.cpp

include/dynamic-graph/time-dependency.h

include/dynamic-graph/time-dependency.t.cpp

include/dynamic-graph/tracer-real-time.h

include/dynamic-graph/tracer.h

src/debug/contiifstream.cpp

src/dgraph/entity.cpp