ps: Fix implementation to alias to gerrit show-queue

This command was meant to be show-queue, but a typo caused it
to be show-caches.  Fix the binding.

Change-Id: Ib6ae43f096ed84fb1be3d793fcb41c21ec65a5a5
Signed-off-by: Shawn O. Pearce <sop@google.com>
diff --git a/gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/DefaultCommandModule.java b/gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/DefaultCommandModule.java
index 1b1707e2..b2174a0 100644
--- a/gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/DefaultCommandModule.java
+++ b/gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/DefaultCommandModule.java
@@ -45,7 +45,7 @@
     command(git, "receive-pack").to(Commands.key(gerrit, "receive-pack"));
     command(git, "upload-pack").to(Upload.class);
 
-    command("ps").to(AdminShowCaches.class);
+    command("ps").to(AdminShowQueue.class);
     command("kill").to(AdminKill.class);
     command("scp").to(ScpCommand.class);