Cinder: install targetcli-fb for Bionic

The "targetcli" package no longer exists
in Bionic and has been superseded by
"targetcli-fb".

Change-Id: I99e4e8ad8fbb6e7c86571af8b0c222dafacf6447
diff --git a/lib/cinder b/lib/cinder
index d69b21e..48f3e45 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -434,7 +434,11 @@
     if [[ "$CINDER_ISCSI_HELPER" == "tgtadm" ]]; then
         install_package tgt
     elif [[ "$CINDER_ISCSI_HELPER" == "lioadm" ]]; then
-        install_package targetcli
+        if [[ ${DISTRO} == "bionic" ]]; then
+            install_package targetcli-fb
+        else
+            install_package targetcli
+        fi
     fi
 }