Typo

Adding missing whitespace in log message

Author: alixwar

library/java/net/openid/appauth/AuthState.java

@@ -430,7 +430,7 @@ public void update(
             // developer that this is unexpected.
             Logger.warn(
                     "AuthState.update should not be called in an error state (%s), call update"
-                            + "with the result of the fresh authorization response first",
+                            + " with the result of the fresh authorization response first",
                     mAuthorizationException);
             mAuthorizationException = null;
         }