Replace RETLDM macro.
Replace RETLDM macro.

The macro is incompatible with Apple's assembler; switch to
a simple inline version.

bnbeckwith/jna,berryzplus/jna,rockclimb/jna,danwi/jna,zwaldowski/libffi-iOS,pandamonia/libffi-iOS,rth7680/libffi,aikidojohn/jna,bgarrels/libffi,davidmc24/jna,trejkaz/jna,edwardinubuntu/libffi-iOS,danwi/jna,berryzplus/jna,davidmc24/jna,berryzplus/jna,jspahrsummers/libffi,juretta/jna,johne53/MB3Libffi,nmav/libffi,danwi/jna,zwaldowski/libffi-iOS,bnbeckwith/jna,trejkaz/jna,zwaldowski/libffi-iOS,joshtriplett/libffi,jspahrsummers/libffi,juretta/jna,trejkaz/jna,davibe/libffi,landonf/libffi-ios,danwi/jna,johne53/MB3Libffi,tomohiron/jna,s1341/libffi,Pan7/libffi,tomohiron/jna,aikidojohn/jna,bnbeckwith/jna,plicease/libffi,jspahrsummers/libffi,danwi/jna,berryzplus/jna,davidmc24/jna,jspahrsummers/libffi,alex/libffi,Pan7/libffi,rth7680/libffi,s1341/libffi,johne53/MB3Libffi,rth7680/libffi,rockclimb/jna,plicease/libffi,aikidojohn/jna,s1341/libffi,tomohiron/jna,biosbits/libffi,danwi/jna,juretta/jna,nmav/libffi,johne53/MB3Libffi,bgarrels/libffi,biosbits/libffi,landonf/libffi-ios,nmav/libffi,bgarrels/libffi,alex/libffi,davidmc24/jna,Distrotech/libffi,s1341/libffi,davibe/libffi,alex/libffi,aikidojohn/jna,bgarrels/libffi,davidmc24/jna,davibe/libffi,tomohiron/jna,Distrotech/libffi,biosbits/libffi,zwaldowski/libffi-iOS,bnbeckwith/jna,Pan7/libffi,trejkaz/jna,tomohiron/jna,bnbeckwith/jna,davibe/libffi,rth7680/libffi,aikidojohn/jna,bnbeckwith/jna,tomohiron/jna,rockclimb/jna,plicease/libffi,nmav/libffi,juretta/jna,johne53/MB3Libffi,juretta/jna,rockclimb/jna,zwaldowski/libffi-iOS,alex/libffi,danwi/jna,landonf/libffi-ios,edwardinubuntu/libffi-iOS,rockclimb/jna,pandamonia/libffi-iOS,berryzplus/jna,joshtriplett/libffi,rockclimb/jna,Pan7/libffi,plicease/libffi,juretta/jna,berryzplus/jna,aikidojohn/jna,pandamonia/libffi-iOS,biosbits/libffi,Distrotech/libffi,Distrotech/libffi,trejkaz/jna,joshtriplett/libffi,joshtriplett/libffi,aikidojohn/jna,davidmc24/jna,trejkaz/jna,berryzplus/jna,rockclimb/jna