New function srv_free().

snac.h

@@ -25,6 +25,7 @@ void srv_debug(int level, d_char *str);
 #define srv_log(str) srv_debug(0, str)
 
 int srv_open(char *basedir);
+void srv_free(void);
 
 typedef struct _snac {
     d_char *uid;        /* uid */