Remove command that creates a useless directory.

src/CMakeLists.txt

@@ -25,7 +25,6 @@ INCLUDE_DIRECTORIES(${CMAKE_BINARY_DIR}/src)
 FOREACH(IDL ${IDL_SOURCES})
   GENERATE_IDL_FILE (${IDL}
     ${CMAKE_SOURCE_DIR}/idl/gepetto/viewer)
-  FILE(MAKE_DIRECTORY gepetto/viewer/corba)
 ENDFOREACH()
 
 ADD_LIBRARY(${LIBRARY_NAME}