wined3d: The WineD3D_GLContext structure doesn't need to be exported.

dlls/wined3d/directx.c

@@ -66,6 +66,13 @@ DWORD *stateLookup[MAX_LOOKUPS];
 DWORD minMipLookup[WINED3DTEXF_ANISOTROPIC + 1][WINED3DTEXF_LINEAR + 1];
 
 
+typedef struct _WineD3D_GLContext {
+  GLXContext   glCtx;
+  Display*     display;
+  Drawable     drawable;
+  LONG         ref;
+} WineD3D_Context;
+
 
 /**
  * Note: GL seems to trap if GetDeviceCaps is called before any HWND's created

include/wine/wined3d_gl.h

@@ -1795,13 +1795,6 @@ typedef struct _WineD3D_GL_Info {
 } WineD3D_GL_Info;
 #undef USE_GL_FUNC
 
-typedef struct _WineD3D_GLContext {
-  GLXContext   glCtx; 
-  Display*     display;
-  Drawable     drawable;
-  LONG         ref;
-} WineD3D_Context;
-
 #endif /* HAVE_OPENGL */
 
 #endif /* __WINE_WINED3D_GL */