fallback: add missing update of _fb_buf_n

bwesterb · bwesterb · commit 67391fd60e22 · 2014-06-14T18:25:34.000+02:00
diff --git a/msgpack/fallback.py b/msgpack/fallback.py
@@ -252,6 +252,7 @@ def _fb_read(self, n, write_bytes=None):
                 if not tmp:
                     break
                 buffs.append(tmp)
+                self._fb_buf_n += len(tmp)
                 continue
             sliced = n - len(ret)
             ret += buffs[self._fb_buf_i][self._fb_buf_o:self._fb_buf_o + sliced]
