Fix ALL the include guards.

core/src/fxge/skia/fx_skia_device.h

Index: core/src/fxge/skia/fx_skia_device.h
diff --git a/core/src/fxge/skia/fx_skia_device.h b/core/src/fxge/skia/fx_skia_device.h
index e92af2269e6a1b102626616ba98decba9d7dd7f8..7ae019c1245949ee6afde5d96e853b9a6078044f 100644
--- a/core/src/fxge/skia/fx_skia_device.h
+++ b/core/src/fxge/skia/fx_skia_device.h
@@ -2,9 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef _FX_SKIA_DEVICE_DRIVER_
-#define _FX_SKIA_DEVICE_DRIVER_
-//#define _SKIA_SUPPORT_
+#ifndef CORE_SRC_FXGE_SKIA_FX_SKIA_DEVICE_H_
+#define CORE_SRC_FXGE_SKIA_FX_SKIA_DEVICE_H_
+
 #if defined(_SKIA_SUPPORT_)
 class CFX_SkiaDeviceDriver : public IFX_RenderDeviceDriver
 {
@@ -86,5 +86,6 @@ public:
 
 	CFX_AggDeviceDriver* m_pAggDriver;
 };
-#endif 
-#endif// _FX_SKIA_DEVICE_DRIVER_
+#endif  // defined(_SKIA_SUPPORT_)
+
+#endif  // CORE_SRC_FXGE_SKIA_FX_SKIA_DEVICE_H_