remove double makefile libs targets

Makefile

@@ -67,14 +67,14 @@ endif
 all: libs haxe
 
 libs:
-	make -C libs/extlib opt OCAMLOPT=$(OCAMLOPT) OCAMLC=$(OCAMLC) $(TARGET_FLAG)
-	make -C libs/extc native OCAMLOPT=$(OCAMLOPT) OCAMLC=$(OCAMLC) $(TARGET_FLAG)
+	make -C libs/extlib OCAMLOPT=$(OCAMLOPT) OCAMLC=$(OCAMLC) $(TARGET_FLAG)
+	make -C libs/extc OCAMLOPT=$(OCAMLOPT) OCAMLC=$(OCAMLC) $(TARGET_FLAG)
 	make -C libs/neko OCAMLOPT=$(OCAMLOPT) OCAMLC=$(OCAMLC) $(TARGET_FLAG)
 	make -C libs/javalib OCAMLOPT=$(OCAMLOPT) OCAMLC=$(OCAMLC) $(TARGET_FLAG)
 	make -C libs/ilib OCAMLOPT=$(OCAMLOPT) OCAMLC=$(OCAMLC) $(TARGET_FLAG)
 	make -C libs/ziplib OCAMLOPT=$(OCAMLOPT) OCAMLC=$(OCAMLC) $(TARGET_FLAG)
 	make -C libs/swflib OCAMLOPT=$(OCAMLOPT) OCAMLC=$(OCAMLC) $(TARGET_FLAG)
-	make -C libs/xml-light xml-light.cmxa OCAMLOPT=$(OCAMLOPT) OCAMLC=$(OCAMLC) $(TARGET_FLAG)
+	make -C libs/xml-light OCAMLOPT=$(OCAMLOPT) OCAMLC=$(OCAMLC) $(TARGET_FLAG)
 	make -C libs/ttflib OCAMLOPT=$(OCAMLOPT) OCAMLC=$(OCAMLC) $(TARGET_FLAG)
 	make -C libs/objsize OCAMLOPT=$(OCAMLOPT) OCAMLC=$(OCAMLC) $(TARGET_FLAG)