Give execute permission to entrypoint.sh

Making the file executable in the local box avoids the chmod in
the Dockerfile.

Change-Id: I9a40623ccc1982273229e926cf24ff4d01a2c308

example-setup/Dockerfile

diff --git a/example-setup/Dockerfile b/example-setup/Dockerfile
index cf6d068..167b9f5 100644
--- a/example-setup/Dockerfile
+++ b/example-setup/Dockerfile
@@ -14,7 +14,6 @@
 COPY --chown=gerrit:gerrit pull-replication.jar /var/gerrit/plugins/pull-replication.jar
 COPY --chown=gerrit:gerrit pull-replication.jar /var/gerrit/lib/pull-replication.jar
 COPY --chown=gerrit:gerrit entrypoint.sh /tmp/
-RUN chmod +x /tmp/entrypoint.sh
 COPY --chown=gerrit:gerrit configs/replication.config.template /var/gerrit/etc/
 COPY --chown=gerrit:gerrit configs/gerrit.config.template /var/gerrit/etc/
 

example-setup/entrypoint.sh

diff --git a/example-setup/entrypoint.sh b/example-setup/entrypoint.sh
old mode 100644
new mode 100755