allow-build-with-guile-3.0-snarf.patch

*** am/snarf	2020-01-05 13:19:18.000000000 -0300
--- am/snarf	2020-05-27 12:02:42.774844905 -0300
***************
*** 1,6 ****
  # -*- makefile -*-
  
! GUILE_SNARF = `which guile-snarf`
  
  AM_V_SNARF = $(AM_V_SNARF_$(V))
  AM_V_SNARF_ = $(AM_V_SNARF_$(AM_DEFAULT_VERBOSITY))
--- 1,6 ----
  # -*- makefile -*-
  
! GUILE_SNARF = `which guile-snarf3`
  
  AM_V_SNARF = $(AM_V_SNARF_$(V))
  AM_V_SNARF_ = $(AM_V_SNARF_$(AM_DEFAULT_VERBOSITY))