[PATCH] sysdeps/posix/tempname.c: Merge from gnulib

[Joseph S. Myers]

On Tue, 24 Jun 2014, Will Newton wrote:

> Partial merge from gnulib which fixes a number of -Wundef warnings.
> The parts that differ from gnulib are the header comment, use of
> __glibc_unlikely and a #define of __secure_getenv. The majority of the
> patch is whitespace and cosmetic comment changes, the only runtime
> change is an abort if an unknown kind is passed to __gen_tempname.

The glibc style uses tabs for indentation (and before backslash-newline - 
in both cases, matching the defaults in GNU Emacs for formatting GNU-style 
code); changes replacing those by spaces should not be included in any 
merge from gnulib.

-- 
Joseph S. Myers
joseph@codesourcery.com