libQGLViewer: fetches html instead of a tarball

[barracuda156]

--->  Computing dependencies for libQGLViewer.
--->  Fetching distfiles for libQGLViewer
--->  libQGLViewer-2.6.4.tar.gz does not exist in /opt/local/var/macports/distfiles/libQGLViewer
--->  Attempting to fetch libQGLViewer-2.6.4.tar.gz from http://www.libqglviewer.com/src/
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100    83    0    83    0     0    111      0 --:--:-- --:--:-- --:--:--   111
100  163k    0  163k    0     0  33455      0 --:--:--  0:00:05 --:--:-- 47782
--->  Verifying checksums for libQGLViewer
--->  Checksumming libQGLViewer-2.6.4.tar.gz
Error: Checksum (rmd160) mismatch for libQGLViewer-2.6.4.tar.gz
Portfile checksum: libQGLViewer-2.6.4.tar.gz rmd160 242c5d3ac42ac878cc1ad0b5b7eaa5f434ef9e89
Distfile checksum: libQGLViewer-2.6.4.tar.gz rmd160 85e74e223aedbc834f216bcd3adacfeccd542d61
Error: Checksum (sha256) mismatch for libQGLViewer-2.6.4.tar.gz
Portfile checksum: libQGLViewer-2.6.4.tar.gz sha256 53daefd7981a3ff7719ee55c368226807791d916ed988dde0aa0eac89686389d
Distfile checksum: libQGLViewer-2.6.4.tar.gz sha256 b2a942e91b40c4373f86498c33f6333388c3eb98a750aeb27b7b503d107279b6
***
The non-matching file appears to be HTML. See this page for possible reasons
for the checksum mismatch:
<https://trac.macports.org/wiki/MisbehavingServers>
***
The file has been moved to: /opt/local/var/macports/distfiles/libQGLViewer/libQGLViewer-2.6.4.tar.gz.html
Error: Failed to checksum libQGLViewer: Unable to verify file checksums