[PATCH] Replace __bzero with memset

[Joseph Myers]

The string2.h removal breaks build for 32-bit x86.

In file included from ../string/string-inlines.c:32:0,
                 from ../sysdeps/i386/string-inlines.c:21:
../sysdeps/x86/bits/string.h:678:0: error: "__stpcpy" redefined [-Werror]
 #  define __stpcpy(dest, src) \
 
In file included from ../string/string-inlines.c:27:0,
                 from ../sysdeps/i386/string-inlines.c:21:
../include/string.h:167:0: note: this is the location of the previous definition
 # define __stpcpy(dest, src) __builtin_stpcpy (dest, src)
 
cc1: all warnings being treated as errors

Also, Wilco, please use git-style commit messages which start with a 
single line with a short summary of the change, then a blank line, then 
any further details (as in the mailing list message proposing a patch).  
"2017-06-12  Wilco Dijkstra  <wdijkstr@arm.com>" is not a good patch 
summary.

-- 
Joseph S. Myers
joseph@codesourcery.com