[Bug translation/90160] missing quote in diagnostic

[roland.illig at gmx dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90160

--- Comment #3 from Roland Illig <roland.illig at gmx dot de> ---
From gcn.c, one more:

  error ("duplicated parameter specifier %s in amdgpu_hsa_kernel "
         "attribute", str);