driver: Fix format specifiers and avoid fixed-size buffer.
authorBen Pfaff <blp@cs.stanford.edu>
Wed, 2 Jan 2019 22:30:56 +0000 (14:30 -0800)
committerBen Pfaff <blp@cs.stanford.edu>
Wed, 2 Jan 2019 22:50:14 +0000 (14:50 -0800)
The format specifier problem is real.  The fixed-size buffers should not
be, but it is not worth arguing with GCC.

Fixes: a1b7813a6993 ("output: New page-setup-item.")

No differences found