b5912: Add insightful echo statement.

configuration/environments_scripts/repo/usr/local/bin/imageupgrade_functions.sh

@@ -305,6 +305,7 @@ setup_apachetop() {
 
 setup_swap() {
     # $1: size of swapspace in megabytes.
+    echo "Creating swapswpace of $1 MBs"
     local swapfile_location=/var/cache/swapfile
     pushd .
     sudo dd if=/dev/zero of="$swapfile_location" bs=1M count="$1"