[PATCH] Add new math improvemenst to NEWS

[DJ Delorie]

Adhemerval Zanella <adhemerval.zanella@linaro.org> writes:
> +* Optimized implementations for remainder, remaindef, frexpf, frexp,
> +  frexpl (binary128), and frexpl (intel96).

Sentence missing verb.

> +* The SVID handling for acosf, acoshf, asinhf, atan2f, atanhf, coshf,
> +  lgammaf/lgammaf_r, log10f, sinhf, sqrtf, tgammaf, y0/j0, y1/j1, and yn/jn
> +  were moved to compat symbol, allowing improve the performance.

"were moved to compat symbols" (plural)

"allowing improve the performance" isn't right; how about "allowing
improvements in performance" ?