Fixed regression error in script force_repeat. Resolves #785.

evennia/scripts/scripts.py

@@ -109,11 +109,12 @@ class ExtendedLoopingCall(LoopingCall):
         """
         assert self.running, ("Tried to fire an ExtendedLoopingCall "
                               "that was not running.")
-        if self.call is not None:
         self.call.cancel()
-            self.call.callback()
+        self.call = None
+        self.starttime = self.clock.seconds()
         self()
 
+
     def next_call_time(self):
         """
         Get the next call time. This also takes the eventual effect