Get rid of some nested anon types.

Unfortunately more tricky to get rid of those in S4dVertex, so can't fix em all.
Reason is that pedandic clang no longer likes those in newer clang versions. 


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4766 dfc29bdd-3216-0410-991c-e03cc46cb475

include/SExposedVideoData.h

@@ -27,9 +27,7 @@ struct SExposedVideoData
 	SExposedVideoData() {OpenGLWin32.HDc=0; OpenGLWin32.HRc=0; OpenGLWin32.HWnd=0;}
 	explicit SExposedVideoData(void* Window) {OpenGLWin32.HDc=0; OpenGLWin32.HRc=0; OpenGLWin32.HWnd=Window;}
 
-	union
-	{
-		struct
+	struct SD3D9
 	{
 		//! Pointer to the IDirect3D9 interface
 		IDirect3D9* D3D9;
@@ -40,10 +38,9 @@ struct SExposedVideoData
 		//! Window handle.
 		/** Get with for example HWND h = reinterpret_cast<HWND>(exposedData.D3D9.HWnd) */
 		void* HWnd;
+	};
 
-		} D3D9;
-
-		struct
+	struct SD3D8
 	{
 		//! Pointer to the IDirect3D8 interface
 		IDirect3D8* D3D8;
@@ -54,10 +51,9 @@ struct SExposedVideoData
 		//! Window handle.
 		/** Get with for example with: HWND h = reinterpret_cast<HWND>(exposedData.D3D8.HWnd) */
 		void* HWnd;
+	};
 
-		} D3D8;
-
-		struct
+	struct SOpenGLWin32
 	{
 		//! Private GDI Device Context.
 		/** Get if for example with: HDC h = reinterpret_cast<HDC>(exposedData.OpenGLWin32.HDc) */
@@ -70,15 +66,22 @@ struct SExposedVideoData
 		//! Window handle.
 		/** Get with for example with: HWND h = reinterpret_cast<HWND>(exposedData.OpenGLWin32.HWnd) */
 		void* HWnd;
-		} OpenGLWin32;
+	};
 
-		struct
+	struct SOpenGLLinux
 	{
 		// XWindow handles
 		void* X11Display;
 		void* X11Context;
 		unsigned long X11Window;
-		} OpenGLLinux;
+	};
+
+	union
+	{
+		SD3D9 D3D9;
+		SD3D8 D3D8;
+		SOpenGLWin32 OpenGLWin32;
+		SOpenGLLinux OpenGLLinux;
 	};
 };