_initialize_c_exp.
* m2-lang.c (_initialize_m2_language): Name changed from
_initialize_m2_exp.
* m2-lang.c (_initialize_m2_language): Change malloc to xmalloc since
it is no longer inside m2-exp.y, where it was remapped by Makefile.
**** start-sanitize-chill ****
* ch-lang.c (_initialize_chill_language): Name changed from
_initialize_chill_exp.
**** end-sanitize-chill ****