Fix include guards.

BUG=angle:733

Change-Id: I08b2c11c4831f1161c178c1842b10e807185aced
Reviewed-on: https://chromium-review.googlesource.com/230831
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>
diff --git a/src/libANGLE/BinaryStream.h b/src/libANGLE/BinaryStream.h
index 4f7f5f2..9e23abb 100644
--- a/src/libANGLE/BinaryStream.h
+++ b/src/libANGLE/BinaryStream.h
@@ -6,8 +6,8 @@
 
 // BinaryStream.h: Provides binary serialization of simple types.
 
-#ifndef LIBGLESV2_BINARYSTREAM_H_
-#define LIBGLESV2_BINARYSTREAM_H_
+#ifndef LIBANGLE_BINARYSTREAM_H_
+#define LIBANGLE_BINARYSTREAM_H_
 
 #include "common/angleutils.h"
 #include "common/mathutil.h"
@@ -205,4 +205,4 @@
 };
 }
 
-#endif  // LIBGLESV2_BINARYSTREAM_H_
+#endif  // LIBANGLE_BINARYSTREAM_H_