round the fps so we can bencode it

git-svn-id: https://xpra.org/svn/Xpra/trunk@13474 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/server/window/video_subregion.py

@@ -295,7 +295,7 @@ def updateregion(rect):
             self.time = time.time()
             self.inout = inoutcount(rect)
             self.score = scoreinout(rect, *self.inout)
-            self.fps = self.inout[0]/(rect.width*rect.height) / (time.time()-from_time)
+            self.fps = int(self.inout[0]/(rect.width*rect.height) / (time.time()-from_time))
             rects = [self.rectangle]
             for _,x,y,w,h in lde:
                 r = rectangle(x,y,w,h)