[PATCH 03/16] malloc: Move MTAG_MMAP_FLAGS definition

[DJ Delorie]

Szabolcs Nagy <szabolcs.nagy@arm.com> writes:
> This is only used internally in malloc.c, the extern declaration
> was wrong, __mtag_mmap_flags has internal linkage.

LGTM

Reviewed-by: DJ Delorie <dj@redhat.com>