Silence build warnings with --enable-inspection.

Silence -Wtypedef-redefinition warning in examples/inspect.c when
 building with --enable-inspection flag.

Change-Id: I74bbe9272b028dd7b1df3e36c8fca924ec1eae6b

aom/aomdx.h

@@ -37,13 +37,17 @@ extern aom_codec_iface_t aom_codec_av1_dx_algo;
 extern aom_codec_iface_t *aom_codec_av1_dx(void);
 /*!@} - end algorithm interface member group*/
 
+#ifndef AOM_ACCOUNTING_H_
 /** Data structure that stores bit accounting for debug
  */
 typedef struct Accounting Accounting;
+#endif
 
+#ifndef AOM_INSPECTION_H_
 /** Callback that inspects decoder frame data.
  */
 typedef void (*aom_inspect_cb)(void *decoder, void *ctx);
+#endif
 
 /*!\brief Structure to hold inspection callback and context.
  *

examples/inspect.c

@@ -27,17 +27,17 @@
 #endif
 
 #include "aom/aom_decoder.h"
+#include "./aom_config.h"
+#if CONFIG_ACCOUNTING
+#include "../av1/decoder/accounting.h"
+#endif
+#include "../av1/decoder/inspection.h"
 #include "aom/aomdx.h"
 
 #include "../tools_common.h"
 #include "../video_reader.h"
-#include "./aom_config.h"
 // #include "av1/av1_dx_iface.c"
 #include "../av1/common/onyxc_int.h"
-#if CONFIG_ACCOUNTING
-#include "../av1/decoder/accounting.h"
-#endif
-#include "../av1/decoder/inspection.h"
 
 #include "../video_common.h"