Fix typo in message_bridge_auth_client_lib.cc

Came across this while testing the injection of the software version
into the journal logs.

Change-Id: Ic05fc8089e17adff203762dca912f4e03b0cd08e
Signed-off-by: James Kuszmaul <james.kuszmaul@bluerivertech.com>
diff --git a/aos/network/message_bridge_auth_client_lib.cc b/aos/network/message_bridge_auth_client_lib.cc
index 9430489..63388a4 100644
--- a/aos/network/message_bridge_auth_client_lib.cc
+++ b/aos/network/message_bridge_auth_client_lib.cc
@@ -69,7 +69,7 @@
   Status status = client_->GetActiveKey(&context, request, &response);
   if (!status.ok()) {
     LOG_EVERY_N(ERROR, 50)
-        << "Unable to retreive active SCTP authentication key from server";
+        << "Unable to retrieve active SCTP authentication key from server";
     return {};
   }