cosmetics: normalize include guards
use the recommended format [1] of:
<PROJECT>_<PATH>_<FILE>_H_
[1] https://google.github.io/styleguide/cppguide.html#The__define_Guard
"All header files should have #define guards to prevent multiple
inclusion. The format of the symbol name should be
<PROJECT>_<PATH>_<FILE>_H_."
Change-Id: I00a0595fc2a5fc736ab6ff3215727d6db05b10e1
diff --git a/aom_util/aom_thread.h b/aom_util/aom_thread.h
index fdb724d..f14c1ac 100644
--- a/aom_util/aom_thread.h
+++ b/aom_util/aom_thread.h
@@ -14,8 +14,8 @@
// Original source:
// https://chromium.googlesource.com/webm/libwebp
-#ifndef AOM_THREAD_H_
-#define AOM_THREAD_H_
+#ifndef AOM_AOM_UTIL_AOM_THREAD_H_
+#define AOM_AOM_UTIL_AOM_THREAD_H_
#include "config/aom_config.h"
@@ -427,4 +427,4 @@
} // extern "C"
#endif
-#endif // AOM_THREAD_H_
+#endif // AOM_AOM_UTIL_AOM_THREAD_H_
