mempcpy change breaks the sparc build

[David Miller]

From: David Miller <davem@davemloft.net>
Date: Thu, 13 Nov 2014 20:47:08 -0500 (EST)

> I just noticed:
> 
> 	https://sourceware.org/ml/libc-alpha/2014-11/msg00305.html
> 
> and am testing it now.

Joseph, I had to add the following to your patch in order to make
sparc work:

diff --git a/sysdeps/sparc/sparc64/rtld-memcpy.c b/sysdeps/sparc/sparc64/rtld-memcpy.c
index b1b0647..52f8302 100644
--- a/sysdeps/sparc/sparc64/rtld-memcpy.c
+++ b/sysdeps/sparc/sparc64/rtld-memcpy.c
@@ -1,2 +1,3 @@
+#define NO_MEMPCPY_STPCPY_REDIRECT
 #include <string/memcpy.c>
 #include <string/mempcpy.c>