Update xBRZ to 6xBRZ version 1.4

[ADormant]

Could you update xBRZ to 1.4? http://ngemu.com/threads/peteopengl2tweak-tweaker-for-peteopengl2-plugin-w-gte-accuracy-hack.160319/ https://sourceforge.net/projects/xbrz/files/ https://sourceforge.net/projects/xbrz/files/xBRZ/ https://github.com/gonetz/GLideN64/commit/daf18efabbae16454c83562456a6cc19b53255a1 https://github.com/gonetz/GLideN64/commit/5bf7a4e4dea9bc7f1b0cb68db5781b386a5470b7 https://github.com/hrydgard/ppsspp/tree/master/ext/xbrz https://github.com/PeterTh/gedosato/tree/master/ext/xbrz https://github.com/hrydgard/ppsspp/pull/8338/files https://github.com/devinacker/bsnes-plus/pull/27/files