rtasm: The heap is NX on 64-bit Cygwin, so use the rtasm_exec_malloc() implementation which uses mmap()

The heap is NX on 64-bit Cygwin, so use the rtasm_exec_malloc() implementation
which uses mmap() to allocate an anonymous page with execute permission, rather
than the one which just uses malloc().

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Brian Paul <brianp@vmware.com>
1 file changed