[PATCH] Fix build warnings in regex.c, bug-regex20.c, bug-regex33.c

[Siddhesh Poyarekar]

On Thu, Feb 21, 2013 at 11:10:05AM -0800, Roland McGrath wrote:
> Please be consistent in using __attribute__ (with trailing underscores).
> Otherwise fine.

OK, I'll fix it in elem-hash.h.  __attribute is conditionally defined
in regex_internal.h to make it work with non-gnu compilers.  It's not
an installed header, so if it's OK, I'll just remove that conditional
definition and use __attribute__ there as well.

Siddhesh