Fixed install_osm.sh: OSM_DOCKER_WORK_DIR set to old folder

Change-Id: Ic72fb2b24778c4a49f58b60bf24f474b8e3df4f9
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/full_install_osm.sh b/installers/full_install_osm.sh
index 5cc91c6..e1f2ff2 100755
--- a/installers/full_install_osm.sh
+++ b/installers/full_install_osm.sh
@@ -1149,6 +1149,7 @@
 REPOSITORY_BASE="https://osm-download.etsi.org/repository/osm/debian"
 WORKDIR_SUDO=sudo
 OSM_WORK_DIR="/etc/osm"
+OSM_DOCKER_WORK_DIR="/etc/osm/docker"
 OSM_DOCKER_TAG=latest
 DOCKER_USER=opensourcemano
 PULL_IMAGES="y"