Log Message:
(pkgsrc)
 - Following patch added to give sphinx-build name (with ${PYVERSSUFFIX) attached)
   gnuradio-core/patches/patch-cmake_Modules_FindSphinx.cmake
 - Depending doxygen-1.8.9.1nb1 now
 - gnuradio-doxygen is updated 3.7.5.2nb1 to 3.7.6
(upstream)
 - Update gnuradio-* from 3.7.5.2 to 3.7.6
  ---------------------------------------
GNU Radio releases 3.7.6 and 3.7.5.2 are available for download:

   (several tens of lines omitted for URL and List of contributors)

Release 3.7.5.2 is a bug-fix only maintenance patch following 3.7.5.1,
and will be the last one for the 3.7.5 release.  Release 3.7.6
incorporates all these fixes and adds significant new features.