[wiki] Update the GVT-g Setup Guide for XenGT.

[Terrence Xu]

1. Add more needed library dependence.
2. Fix the typo for Qemu.

Signed-off-by: Terrence Xu <terrence.xu at intel.com>
---
 GVTg_Setup_Guide.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/GVTg_Setup_Guide.md b/GVTg_Setup_Guide.md
index 09ab649..dcb4087 100644
--- a/GVTg_Setup_Guide.md
+++ b/GVTg_Setup_Guide.md
@@ -54,7 +54,7 @@ Ubuntu 16.04.1 has been fully validated as host, other Linux operating system li
 ## 2.3 Library Dependence  ##
 Use Ubuntu as example, there are some software package needed by host environment setup, as below:
 
->  apt-get install git libfdt-dev libpixman-1-dev libssl-dev vim socat libsdl1.2-dev libspice-server-dev autoconf libtool xtightvncviewer tightvncserver x11vnc libsdl1.2-dev uuid-runtime uuid uml-utilities bridge-utils
+>  apt-get install git libfdt-dev libpixman-1-dev libssl-dev vim socat libsdl1.2-dev libspice-server-dev autoconf libtool xtightvncviewer tightvncserver x11vnc libsdl1.2-dev uuid-runtime uuid uml-utilities bridge-utils python-dev liblzma-dev
 
 
 # 3 Host Environment Setup #
@@ -153,9 +153,9 @@ Pls follow chapter 3.3.1 for KVMGT setup and chapter 3.3.2 for XenGT setup
 
 > cd ..
 
-> sed -i 's/\(QEMU_UPSTREAM_REVISION ?= \).*/\1origin\/stable-2.9.0/g' Config.mk
+> sed -i 's/\\(QEMU_UPSTREAM_REVISION ?= \\).*/\1origin\/stable-2.9/g' Config.mk
 
-> sed -i 's/\(QEMU_UPSTREAM_URL ?= \).*/\1file:\/\/localhost\/root\/igvtg-xen\/igvtg-qemu/g' Config.mk  #Suppose the qemu-xen located in "/root/igvtg-xen/igvtg-qemu"#
+> sed -i 's/\\(QEMU_UPSTREAM_URL ?= \\).*/\1file:\/\/localhost\/root\/igvtg-xen\/igvtg-qemu/g' Config.mk
 
 > ./autogen.sh
 
-- 
2.7.4