[PATCH] Remove unused variables

[Joseph Myers]

On Tue, 26 Jan 2016, Andreas Schwab wrote:

> These are flagged by -Wunused-const-variable.
> 
> 	* sysdeps/ieee754/ldbl-128ibm/s_erfl.c (half): Remove.
> 	* sysdeps/ieee754/ldbl-128ibm/s_log1pl.c (maxlog, big): Remove.
> 	* sysdeps/powerpc/fpu/s_cosf.c (one): Remove.
> 	* sysdeps/powerpc/fpu/e_hypotf.c (two30): Remove.

OK.

-- 
Joseph S. Myers
joseph@codesourcery.com