[PATCH] Fix PR c/18282 - 3.4.3 regression from 3.4.2, 3.3.x and 4.0

[Gabriel Dos Reis]

Jakub Jelinek <jakub@redhat.com> writes:

| +		  error ("cannot use mode `%s' for enumeral types", p);
                                          ^^^^

Should be "%qs".  Please, fix that before commit. 

-- Gaby