math: fix duplicated declaration in mathlib.h

Removed tanf declaration since the implementation got removed too.
1 file changed
tree: c29cc26c1642e686c527360a518af967deaeea9f
  1. math/
  2. string/
  3. .gitignore
  4. config.mk.dist
  5. LICENSE
  6. Makefile
  7. README