progress: only reset state if finishing progress for the current topic

This prevents some visual glitches when doing a clone --pull locally.

hgext/progress.py

@@ -155,7 +155,7 b' class progbar(object):'
         if pos is None:
             if self.topics and self.topics[-1] == topic and self.printed:
                 self.complete()
-            self.resetstate()
+                self.resetstate()
         else:
             if topic not in self.topics:
                 self.topics.append(topic)