ppc: move exports to definitions

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/powerpc/lib/copyuser_64.S b/arch/powerpc/lib/copyuser_64.S
index f09899e..f19a15b 100644
--- a/arch/powerpc/lib/copyuser_64.S
+++ b/arch/powerpc/lib/copyuser_64.S
@@ -8,6 +8,7 @@
  */
 #include <asm/processor.h>
 #include <asm/ppc_asm.h>
+#include <asm/export.h>
 
 #ifdef __BIG_ENDIAN__
 #define sLd sld		/* Shift towards low-numbered address. */
@@ -671,3 +672,4 @@
 	.llong	89b,100b
 	.llong	90b,100b
 	.llong	91b,100b
+EXPORT_SYMBOL(__copy_tofrom_user)