* include/cpplib.h (enum c_lang): Add CLK_GNUCXX0X and CLK_CXX0X
	for experimental C++0x mode.
	* init.c (lang_defaults): Add defaults for C++0x modes. C++0x has
	adopted the preprocessor changes introduced in C99.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@118385 138bc75d-0d04-0410-961f-82ee72b054a4