sonic-swss-common-build-ubuntu needs libboost-dev to build swss-common (sonic-net#206)

Author: qiluo-msft

jenkins/common/sonic-swss-common-build-ubuntu/Dockerfile

@@ -3,7 +3,7 @@ FROM ubuntu:bionic
 RUN apt-get update
 RUN apt-get install -y make libtool m4 autoconf dh-exec debhelper cmake pkg-config \
                        libhiredis-dev libnl-3-dev libnl-genl-3-dev libnl-route-3-dev libnl-nf-3-dev swig3.0 \
-                       libpython2.7-dev libgtest-dev
+                       libpython2.7-dev libgtest-dev libboost-dev
 
 RUN apt-get install -y sudo
 RUN apt-get install -y redis-server redis-tools