Fix #26

Declaring a counter as volatile to avoid GCC opti :/

src/logger.c

 
 int pyfcgi_logger_format_bufinit(pyfcgi_logger_format_t* fmt)
 {
-	unsigned short i;
+	volatile unsigned short i;
 	size_t pre_sz, suf_sz;
 	char *cur, pid[PYFCGI_LOG_PID_LEN];
 	fmt->buf = fmt->prefix = fmt->suffix = NULL;
 						fmt->fields[i].len);
 					break;
 				case pyfcgi_logger_field_ident:
-					memcpy(cur, *((char**)fmt->fields[i].val),
+					memcpy(cur, PyFCGI_conf.logs.ident,
 						fmt->fields[i].len);
 					break;
 				case pyfcgi_logger_field_pid:
 	short upd;
 
 	conf = &PyFCGI_conf.logs;
+	if(conf->ident)
+	{
+		free(conf->ident);
+	}
+
 	if( !(conf->ident = strdup(new_ident)) )
 	{
 		pyfcgi_log(LOG_ALERT,