GNU patch 介绍
Gnu Patch 补丁（Pre，Pre Plus，Pre2，Pre3，Veer，Touchpad专用）
安装主题包的必备补丁，注意此补丁只适合armv7架构的机器，即只能给Pre，Pre
Plus，Pre2，Pre3，Veer，Touchpad安装，Pixi和Pixi Plus不适用。
Patch takes a patch file containing a difference listing produced by the diff
program and applies those differences to one or more original files, producing
patched versions.