[etherpad-web/oscp-backend] Use scl_source to enable rh-nodejs10

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit ed5a2ec8e34228ed41b85ccf5145cf9e3750c969
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Tue Jan 28 11:56:05 2020 +0100

    Use scl_source to enable rh-nodejs10

 root/opt/etherpad/docker-entrypoint.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/root/opt/etherpad/docker-entrypoint.sh b/root/opt/etherpad/docker-entrypoint.sh
index aedb2f2..c4eb2fc 100755
--- a/root/opt/etherpad/docker-entrypoint.sh
+++ b/root/opt/etherpad/docker-entrypoint.sh
@@ -34,5 +34,5 @@ sed -i "s/DB_PORT/${DB_PORT}/" settings.json
 sed -i "s/DB_USER/${DB_USER}/" settings.json
 
 # Execute the etherpad provided startup script
-scl enable rh-nodejs10
+scl_source enable rh-nodejs10
 ./bin/run.sh $@