update port-filename docs
authorAndy Wingo <wingo@pobox.com>
Mon, 28 Feb 2011 19:53:40 +0000 (20:53 +0100)
committerAndy Wingo <wingo@pobox.com>
Mon, 28 Feb 2011 19:54:03 +0000 (20:54 +0100)
commitac012a27a2e3c28f191d2c38b3d1ab1ef70ba8ba
treeffa6a461bf991719d5aeb6d706866a98cab580d5
parent6a94e6e1ae6c018fe1ea1c0c6a9cca577dff4d85
update port-filename docs

* doc/ref/api-io.texi (File Ports):
* libguile/ports.c (scm_port_filename): Fix docs to match
  implementation.
doc/ref/api-io.texi
libguile/ports.c