review for 7041603: standalone SA doesn't build after 7010849

[Tom Rodriguez]

http://cr.openjdk.java.net/~never/7041603

7041603: standalone SA doesn't build after 7010849
Summary:
Reviewed-by:

The fix for 7010849 changed the -target requirements for building the
SA but didn't change the makefile in agent/make.  The fix is to apply
the equivalent changes to agent/make/Makefile.  Tested by building SA.