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/compiler/translator/Compiler.h b/src/compiler/translator/Compiler.h
index b6c9d13..2644a7e 100644
--- a/src/compiler/translator/Compiler.h
+++ b/src/compiler/translator/Compiler.h
@@ -4,8 +4,8 @@
 // found in the LICENSE file.
 //
 
-#ifndef _SHHANDLE_INCLUDED_
-#define _SHHANDLE_INCLUDED_
+#ifndef COMPILER_TRANSLATOR_COMPILER_H_
+#define COMPILER_TRANSLATOR_COMPILER_H_
 
 //
 // Machine independent part of the compiler private objects
@@ -191,4 +191,4 @@
     sh::GLenum type, ShShaderSpec spec, ShShaderOutput output);
 void DeleteCompiler(TCompiler*);
 
-#endif // _SHHANDLE_INCLUDED_
+#endif // COMPILER_TRANSLATOR_COMPILER_H_