[Bug diagnostics/123142] gcc.dg/plugin/diagnostic-test-graphs-html.c FAILs without dot

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123142

David Malcolm <dmalcolm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
I believe I fixed this with the above commit, skipping the test if "dot" is not
available.

Marking this as closed.  Please reopen if I messed up - thanks.