Teach old-style Darwin Makefile how to find config/config.h.
Teach old-style Darwin Makefile how to find config/config.h.


git-svn-id: fd4a176c55b201366617f1b4a14a5ec6630ef30e@123 5710d607-3af0-45f8-8f96-4508d4f60227

jcbertin/libdispatch,mir-ror/libdispatch,PSPDFKit-labs/libdispatch,jcbertin/libdispatch,mir-ror/libdispatch,evaautomation/libdispatch,SproutOrc/libdispatch,PSPDFKit-labs/libdispatch,Chilledheart/libdispatch,rpaulo/libdispatch-freebsd,SproutOrc/libdispatch,jcbertin/libdispatch,evaautomation/libdispatch,rpaulo/libdispatch-freebsd,evaautomation/libdispatch,JackieXie168/libdispatch,nickhutchinson/libdispatch,mir-ror/libdispatch,evaautomation/libdispatch,nickhutchinson/libdispatch,SproutOrc/libdispatch,nickhutchinson/libdispatch,nickhutchinson/libdispatch,SproutOrc/libdispatch,PSPDFKit-labs/libdispatch,JackieXie168/libdispatch,JackieXie168/libdispatch,rpaulo/libdispatch-freebsd,JackieXie168/libdispatch,Chilledheart/libdispatch,Chilledheart/libdispatch,PSPDFKit-labs/libdispatch,JackieXie168/libdispatch