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/InitializeVariables.h b/src/compiler/translator/InitializeVariables.h
index 59c3ea0..4a81266 100644
--- a/src/compiler/translator/InitializeVariables.h
+++ b/src/compiler/translator/InitializeVariables.h
@@ -4,8 +4,8 @@
 // found in the LICENSE file.
 //
 
-#ifndef COMPILER_INITIALIZE_VARIABLES_H_
-#define COMPILER_INITIALIZE_VARIABLES_H_
+#ifndef COMPILER_TRANSLATOR_INITIALIZEVARIABLES_H_
+#define COMPILER_TRANSLATOR_INITIALIZEVARIABLES_H_
 
 #include "compiler/translator/IntermNode.h"
 
@@ -47,4 +47,4 @@
     bool mCodeInserted;
 };
 
-#endif  // COMPILER_INITIALIZE_VARIABLES_H_
+#endif  // COMPILER_TRANSLATOR_INITIALIZEVARIABLES_H_