Allow to use init as a param in docker run

The problem is that the parameter for docker run added at the end is not
passed down to the entry point script as it is right now. This is easly
testable - just run the gerritreview image with init over and over and
it will always start gerrit. Applying the patch the same command will
call init.

Change-Id: I19ed2b33b388026f9a4fbbc6ebde6bb4cfc42111
diff --git a/centos/8/Dockerfile b/centos/8/Dockerfile
index 127f172..8fefeb2 100644
--- a/centos/8/Dockerfile
+++ b/centos/8/Dockerfile
@@ -28,4 +28,4 @@
 
 VOLUME ["/var/gerrit/git", "/var/gerrit/index", "/var/gerrit/cache", "/var/gerrit/db", "/var/gerrit/etc"]
 
-ENTRYPOINT /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]
diff --git a/centos/8/Dockerfile-dev b/centos/8/Dockerfile-dev
index d4ec95d..38677a1 100644
--- a/centos/8/Dockerfile-dev
+++ b/centos/8/Dockerfile-dev
@@ -33,4 +33,4 @@
 
 VOLUME ["/var/gerrit/git", "/var/gerrit/index", "/var/gerrit/cache", "/var/gerrit/db", "/var/gerrit/etc"]
 
-ENTRYPOINT /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]
diff --git a/ubuntu/20/Dockerfile b/ubuntu/20/Dockerfile
index 1e7ac9b..4136edb 100644
--- a/ubuntu/20/Dockerfile
+++ b/ubuntu/20/Dockerfile
@@ -32,4 +32,4 @@
 
 VOLUME ["/var/gerrit/git", "/var/gerrit/index", "/var/gerrit/cache", "/var/gerrit/db", "/var/gerrit/etc"]
 
-ENTRYPOINT /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]
diff --git a/ubuntu/20/Dockerfile-dev b/ubuntu/20/Dockerfile-dev
index 5b8e50a..d6ceead 100644
--- a/ubuntu/20/Dockerfile-dev
+++ b/ubuntu/20/Dockerfile-dev
@@ -31,4 +31,4 @@
 
 VOLUME ["/var/gerrit/git", "/var/gerrit/index", "/var/gerrit/cache", "/var/gerrit/db", "/var/gerrit/etc"]
 
-ENTRYPOINT /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]