remove while loop from wallet.synchronize; we are already in a job

lib/wallet.py

@@ -1475,15 +1475,11 @@ class Deterministic_Wallet(Abstract_Wallet):
 
     def synchronize_sequence(self, for_change):
         limit = self.gap_limit_for_change if for_change else self.gap_limit
-        while True:
-            addresses = self.get_change_addresses() if for_change else self.get_receiving_addresses()
-            if len(addresses) < limit:
-                self.create_new_address(for_change)
-                continue
-            if map(lambda a: self.address_is_old(a), addresses[-limit:] ) == limit*[False]:
-                break
-            else:
-                self.create_new_address(for_change)
+        addresses = self.get_change_addresses() if for_change else self.get_receiving_addresses()
+        if len(addresses) < limit:
+            self.create_new_address(for_change)
+        elif map(lambda a: self.address_is_old(a), addresses[-limit:]) != limit*[False]:
+            self.create_new_address(for_change)
 
     def synchronize(self):
         with self.lock: