Don't chew files which contain no documentation markup

Don't chew files which contain no documentation markup

Don't chew files which contain no documentation markup.

Neither of the alternatives for MALLOCR (mallocr.c or nano-mallocr.c) contain
any documentation markup.

2015-06-23  Jon Turney  <jon.turney@dronecode.org.uk>

	* libc/stdlib/Makefile.am (CHEWOUT_FILES): Remove $(MALLOCR).def.
	* libc/stdio/Makefile.am (CHEWOUT_FILES): Remove getwc.def and
	putwc.def.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>