math: fix unused function warnings in mathbench.c

Vector functions are only used on aarch64, so only define them there.

  math/test/mathbench.c:95:1: warning: '__v_dummyf' defined but not used [-Wunused-function]
1 file changed
tree: 0ccff016988e1981ea079b20eba2ed87ac97cc2d
  1. math/
  2. string/
  3. .gitignore
  4. config.mk.dist
  5. LICENSE
  6. Makefile
  7. README