wined3d: Do not try to create a vbo more than once.
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index daedc52..dc0644d 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -654,6 +654,7 @@
#define VBFLAG_DIRTY 0x04 /* Buffer data has been modified */
#define VBFLAG_STREAM 0x08 /* The vertex buffer is in a stream */
#define VBFLAG_HASDESC 0x10 /* A vertex description has been found */
+#define VBFLAG_VBOCREATEFAIL 0x20 /* An attempt to create a vbo has failed */
/*****************************************************************************
* IWineD3DIndexBuffer implementation structure (extends IWineD3DResourceImpl)
