MINOR: proxy/checks: Move parsing of tcp-check option in checks.c

Parsing of the proxy directive "option tcp-check" have been moved in checks.c.
diff --git a/include/proto/checks.h b/include/proto/checks.h
index cc0ab0b..563e01f 100644
--- a/include/proto/checks.h
+++ b/include/proto/checks.h
@@ -69,6 +69,8 @@
 int spoe_prepare_healthcheck_request(char **req, int *len);
 int spoe_handle_healthcheck_response(char *frame, size_t size, char *err, int errlen);
 
+int proxy_parse_tcp_check_opt(char **args, int cur_arg, struct proxy *curpx, struct proxy *defpx,
+			      const char *file, int line);
 int proxy_parse_redis_check_opt(char **args, int cur_arg, struct proxy *curpx, struct proxy *defpx,
 				const char *file, int line);
 int proxy_parse_ssl_hello_chk_opt(char **args, int cur_arg, struct proxy *curpx, struct proxy *defpx,