fixed issue #1575

Makefile

@@ -64,7 +64,7 @@ install:
 	cp haxe $(INSTALL_DIR)/bin/haxe
 	rm -rf $(INSTALL_DIR)/lib/haxe
 	mkdir $(INSTALL_DIR)/lib/haxe
-	cp -r std $(INSTALL_DIR)/lib/haxe
+	svn export std/ $(INSTALL_DIR)/lib/haxe/std
 	mkdir $(INSTALL_DIR)/lib/haxe/lib
 	chmod 777 $(INSTALL_DIR)/lib/haxe/lib
 	cp std/tools/haxelib/haxelib.sh $(INSTALL_DIR)/bin/haxelib