Fix shellcheck errors

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: I4678113c2717dcf3bfc82663cf2e14262e7daeac
diff --git a/compare_service_chart_versions.sh b/compare_service_chart_versions.sh
index 096ca9a..b8bbeb5 100755
--- a/compare_service_chart_versions.sh
+++ b/compare_service_chart_versions.sh
@@ -42,7 +42,7 @@
     fi
 
     SVCVERSION=$( cat "$REPODIR/orchestration/xos-services/$SVCNAME/VERSION" )
-    echo $SVCNAME
+    echo "$SVCNAME"
     echo "  Chart:   $APPVERSION"
     echo "  Service: $SVCVERSION"
 done