Add missing python-mod-pywebsocket dependency to install-build-deps.sh

build/install-build-deps.sh

Index: build/install-build-deps.sh
diff --git a/build/install-build-deps.sh b/build/install-build-deps.sh
index 705d4c210455f36916be607d7fd0f32f0b472c70..61e1f9fcedce976b591f40613f29a54ee73e16ea 100755
--- a/build/install-build-deps.sh
+++ b/build/install-build-deps.sh
@@ -65,9 +65,9 @@ dev_list="apache2.2-bin bison curl elfutils fakeroot flex g++ gperf
           libsqlite3-dev libssl-dev libudev-dev libwww-perl libxslt1-dev
           libxss-dev libxt-dev libxtst-dev mesa-common-dev patch
           perl php5-cgi pkg-config python python-cherrypy3 python-dev
-          python-psutil rpm ruby subversion ttf-dejavu-core ttf-indic-fonts
-          ttf-kochi-gothic ttf-kochi-mincho ttf-thai-tlwg wdiff git-core
-          $chromeos_dev_list"
+          python-mod-pywebsocket python-psutil rpm ruby subversion
+          ttf-dejavu-core ttf-indic-fonts ttf-kochi-gothic ttf-kochi-mincho
+          ttf-thai-tlwg wdiff git-core $chromeos_dev_list"
 
 # 64-bit systems need a minimum set of 32-bit compat packages for the pre-built
 # NaCL binaries. These are always needed, regardless of whether or not we want