Fix class extension problem with SshModule

The change in [1] breaks inheritance of the pull-replication's
`SshModule`, and the code does not compile.

This change fixes the problem.

[1]  https://gerrit-review.googlesource.com/c/gerrit/+/400622

Change-Id: I85ce3aa33addffc941415c68b19588677af79d1c
diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/pull/SshModule.java b/src/main/java/com/googlesource/gerrit/plugins/replication/pull/SshModule.java
index 9c89781..ab3a76c 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/pull/SshModule.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/pull/SshModule.java
@@ -14,9 +14,17 @@
 
 package com.googlesource.gerrit.plugins.replication.pull;
 
+import com.google.gerrit.extensions.annotations.PluginName;
 import com.google.gerrit.sshd.PluginCommandModule;
+import com.google.inject.Inject;
 
 class SshModule extends PluginCommandModule {
+
+  @Inject
+  SshModule(@PluginName String pluginName) {
+    super(pluginName);
+  }
+
   @Override
   protected void configureCommands() {
     command(StartFetchCommand.class);