[PATCH] Cygwin: Speed up mkimport

[Mark Geisert]

Previously, Mark Geisert wrote:
> Cut mkimport elapsed time in half by forking each iteration of the two
> time-consuming loops within.  Only do this if more than one CPU is
> present.  In the second loop, combine the two 'objdump' calls into one
                                                  ^^^^^^^
That should say objcopy.  The code is correct though.

..mark