gdiplus: Added GdipCreateTextureIA.

include/gdiplusgpstubs.h

diff --git a/include/gdiplusgpstubs.h b/include/gdiplusgpstubs.h
index 6628dbc..253dd1f 100644
--- a/include/gdiplusgpstubs.h
+++ b/include/gdiplusgpstubs.h
@@ -35,6 +35,7 @@
 class GpBitmap : public GpImage {};
 class GpPathGradient : public GpBrush {};
 class GpLineGradient : public GpBrush {};
+class GpTexture : public GpBrush {};
 
 #else /* end of c++ declarations */
 
@@ -52,6 +53,7 @@
 typedef struct GpBitmap GpBitmap;
 typedef struct GpPathGradient GpPathGradient;
 typedef struct GpLineGradient GpLineGradient;
+typedef struct GpTexture GpTexture;
 
 #endif /* end of c declarations */