Take name from UserAgentService response

For possible avi name changes, this time proper HG formatted.
Not sure if this is used tho, and no way to test (don't have two grids).

OpenSim/Region/CoreModules/Avatar/UserProfiles/UserProfileModule.cs

@@ -1909,6 +1909,9 @@ namespace OpenSim.Region.CoreModules.Avatar.UserProfiles
                     return false;
 
                 account = new UserAccount();
+                if (info.ContainsKey("user_firstname") && info.ContainsKey("user_lastname"))
+                    account.FirstName = info["user_firstname"] + "." + info["user_lastname"];
+
                 if (info.ContainsKey("user_flags"))
                     account.UserFlags = (int)info["user_flags"];