BUG/MINOR: ssl/cli: initialize fcount int crtlist_entry

Initialize fcount to 0 when 'add ssl crt-list' does not contain any
filters. This bug can lead to trying to read some filters even if they
doesn't exist.

src/ssl_sock.c

@@ -11400,6 +11400,7 @@ static int cli_parse_add_crtlist(char **args, char *payload, struct appctx *appc
 		memprintf(&err, "Not enough memory!");
 		goto error;
 	}
+	entry->fcount = 0;
 	entry->filters = NULL;
 	entry->ssl_conf = NULL;