typo

Signed-off-by: Mattias Andrée <maandree@operamail.com>
missing {}

Signed-off-by: Mattias Andrée <maandree@operamail.com>
perhaps the lastest texinfo does not allow {} on @center

Signed-off-by: Mattias Andrée <maandree@operamail.com>
build pdf

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Merge branch 'develop' of github.com:erkin/ponysay into develop