minor clean-up: s/intel->driDrawable/dPriv/

src/mesa/drivers/dri/i915/intel_context.c

@@ -543,7 +543,7 @@ void intelWindowMoved( intelContextPtr intel )
       intelSetFrontClipRects( intel );
    }
    else {
-      driUpdateFramebufferSize(&intel->ctx, intel->driDrawable);
+      driUpdateFramebufferSize(&intel->ctx, dPriv);
     
       switch (intel->ctx.DrawBuffer->_ColorDrawBufferMask[0]) {
       case BUFFER_BIT_FRONT_LEFT: