missing exports of csum_...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/sh64/lib/c-checksum.c b/arch/sh64/lib/c-checksum.c
index 4b26763..bd55017 100644
--- a/arch/sh64/lib/c-checksum.c
+++ b/arch/sh64/lib/c-checksum.c
@@ -213,3 +213,4 @@
 
 	return (__wsum)result;
 }
+EXPORT_SYMBOL(csum_tcpudp_nofold);