The string was directly used as the string format, which would have caused
printf to expect additional arguments when it contains formatting elements.

Bug 18720257

Change-Id: Ie4391097e58d4cab2793a05eda2b03acd02d7f22
Reviewed-on: https://swiftshader-review.googlesource.com/2656Reviewed-by: Greg Hartman <ghartman@google.com>
Tested-by: Greg Hartman <ghartman@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>