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/renderer/ProgramImpl.h b/src/libANGLE/renderer/ProgramImpl.h
index 9ce104c..bdb4044 100644
--- a/src/libANGLE/renderer/ProgramImpl.h
+++ b/src/libANGLE/renderer/ProgramImpl.h
@@ -6,8 +6,8 @@
 
 // ProgramImpl.h: Defines the abstract rx::ProgramImpl class.
 
-#ifndef LIBGLESV2_RENDERER_PROGRAMIMPL_H_
-#define LIBGLESV2_RENDERER_PROGRAMIMPL_H_
+#ifndef LIBANGLE_RENDERER_PROGRAMIMPL_H_
+#define LIBANGLE_RENDERER_PROGRAMIMPL_H_
 
 #include "common/angleutils.h"
 #include "libANGLE/BinaryStream.h"
@@ -124,4 +124,4 @@
 
 }
 
-#endif // LIBGLESV2_RENDERER_PROGRAMIMPL_H_
+#endif // LIBANGLE_RENDERER_PROGRAMIMPL_H_