Add a / to the end of directory matching regex

Fixes the case where changes to `onos-progran/*` would match `onos`

Change-Id: I62b5e6113ffb0822c8912bff77afd689770e7d4b
diff --git a/chart_version_check.sh b/chart_version_check.sh
index 8b80446..265a817 100755
--- a/chart_version_check.sh
+++ b/chart_version_check.sh
@@ -81,7 +81,7 @@
 
   # create a list of files that were changed in the chart
   for file in $changed_files; do
-    if [[ $file =~ ^$chartdir ]]
+    if [[ $file =~ ^$chartdir/ ]]
     then
       chart_changed_files+=$'\n'
       chart_changed_files+="  ${file}"