curses: Add password quality meter.
* pinentry/pinenetry-curses.c (dialog_input): Call pinentry_inq_quality(). (dialog_t): Add quality_x, quality_y and quality_size. (dialog_create): Add quality bar graphics.
Needs to have SETREPEAT enabled to make it visible.
- Signed-off-by: Ben Kibbey <bjk@luxsci.net>