sh64: Fix up the build for the thread_xstate changes.

This updates the sh64 processor info with the sh32 changes in order to
tie in to the generic task_xstate management code.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index 31f80c6..c9554a7 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -410,7 +410,7 @@
 			regs->sr |= SR_FD;
 		}
 
-		memcpy(fpu, &tsk->thread.fpu.hard, sizeof(*fpu));
+		memcpy(fpu, &tsk->thread.xstate->hardfpu, sizeof(*fpu));
 	}
 
 	return fpvalid;