Handle macos directory, which target name is now macosclassic

rtl/regenmakefiles.sh

@@ -48,6 +48,8 @@ do
     case $d in
       darwin) 
         TARGETS="darwin,ios,iphonesim" ;;
+      macos)
+        TARGETS="macosclassic" ;;
       *)
         TARGETS=$d  
     esac  
@@ -60,4 +62,4 @@ done
 #
 # That's all, folks!
 #
- 
+