GPU: Download safe size on next create, too.

In some cases, games will create a series of framebufs.  Before, we
weren't downloading them if they were only used once, as intended.

GPU/Common/FramebufferCommon.cpp

@@ -542,6 +542,8 @@ void FramebufferManagerCommon::NotifyRenderFramebufferCreated(VirtualFramebuffer
 	if (!useBufferedRendering_) {
 		// Let's ignore rendering to targets that have not (yet) been displayed.
 		gstate_c.skipDrawReason |= SKIPDRAW_NON_DISPLAYED_FB;
+	} else if (currentRenderVfb_) {
+		DownloadFramebufferOnSwitch(currentRenderVfb_);
 	}
 
 	textureCache_->NotifyFramebuffer(vfb->fb_address, vfb, NOTIFY_FB_CREATED);