Fix the display of achievement progress: avoid that a value can be
larger than the goal value (otherwise after racing one track 12 times
the progress for Christoffel would should 12/10).
Merge branch 'master' of github.com:supertuxkart/stk-code
Removed typedef (which is a work around for certain mesa versions)
from windows and osx.
Merge branch 'master' of github.com:supertuxkart/stk-code