[PATCH] Small fix for misc/sys/syslog.h

[Roland McGrath]

> Roland McGrath wrote:
> > The type is only used for the constant table, and the pointers always point
> > to string constants.  const is appropriate.
> 
> Yes, it's appropriate when creating the interface from scratch.  But it
> might cause problems compiling programs, even breaking the compilation
> if -Werror is used.

You really think #define SYSLOG_NAMES is used by more than one or two things?
I won't make this change on the stable branch, but it seems fine for the trunk.