ART: Fix missing include

The SwitchTable needs a function from an inl file.

Change-Id: I624d71e0c0efc0c87150d7ef3be71e0b4506c75a
diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index b684cc6..ecb690f 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -26,6 +26,7 @@
 #include "base/arena_object.h"
 #include "base/stl_util.h"
 #include "dex/compiler_enums.h"
+#include "dex_instruction-inl.h"
 #include "entrypoints/quick/quick_entrypoints_enum.h"
 #include "handle.h"
 #include "handle_scope.h"