有些脚本文件最后一行不是换行符

pack.sh

@@ -102,6 +102,7 @@ build_image() {
             then
                 echo "#!/system/bin/sh" >> "$build_dir"/"$auto_start_script"
             fi
+            echo "\n" >> "$build_dir"/"$auto_start_script"
             echo "starthugep.sh > /dev/null 2>&1 &" >> "$build_dir"/"$auto_start_script"
         fi
     fi