Make the out BAUD and BPS @-codes report the current emulated output rate,

if not unlimited.

src/sbbs3/atcodes.cpp

@@ -294,7 +294,7 @@ const char* sbbs_t::atcode(char* sp, char* str, size_t maxlen, long* pmode)
 		return(cfg.sys_name);
 
 	if(!strcmp(sp,"BAUD") || !strcmp(sp,"BPS")) {
-		safe_snprintf(str,maxlen,"%lu",cur_rate);
+		safe_snprintf(str,maxlen,"%lu",cur_output_rate ? cur_output_rate : cur_rate);
 		return(str);
 	}