sh: build fixes for defconfigs.

Get all of the defconfigs building again.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/sh_ksyms.c b/arch/sh/kernel/sh_ksyms.c
index d3cbfa2..9daad70 100644
--- a/arch/sh/kernel/sh_ksyms.c
+++ b/arch/sh/kernel/sh_ksyms.c
@@ -72,6 +72,7 @@
 DECLARE_EXPORT(__ashldi3);
 DECLARE_EXPORT(__lshrdi3);
 DECLARE_EXPORT(__movstr);
+DECLARE_EXPORT(__movstrSI16);
 
 EXPORT_SYMBOL(strcpy);