mcheck: integrate mcheck into dlmalloc.c

This changes are probable worth to be generalized in a
separate .h-file so, making it able to cover
libc-mallocs and others, without too much copy-paste.

But the malloc<=>mALLOc substitutions interfere
with an elegant way to do this.

Signed-off-by: Eugene Uriev <eugeneuriev@gmail.com>
1 file changed