Enclose user's name/alias in < > in log output, this makes the name clearly

separate from the log text and is consistent with the mail server log
output.

src/sbbs3/main.cpp

@@ -292,7 +292,7 @@ int sbbs_t::lputs(int level, const char* str)
 	else if(client_name[0])
 		SAFEPRINTF(prefix, "%s ", client_name);
 	if(useron.number)
-		SAFEPRINTF(user_str, "%s ", useron.alias);
+		SAFEPRINTF(user_str, "<%s> ", useron.alias);
 	SAFEPRINTF3(msg, "%s%s%s", prefix, user_str, str);
 	strip_ctrl(msg, msg);
 	if(is_event_thread)