sh: unwinder: Restore put_unaligned() for an unaligned destination.

The destination address might be unaligned, so set it with
put_unaligned() for safety. This restores the previous behaviour, albeit
through the proper API.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index d1d8536..49d039f 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -89,7 +89,8 @@
  */
 static inline int dwarf_read_addr(unsigned long *src, unsigned long *dst)
 {
-	*dst = get_unaligned(src);
+	u32 val = get_unaligned(src);
+	put_unaligned(val, dst);
 	return sizeof(unsigned long *);
 }