libstdc++: Fix format string in StdChronoTimeZoneRulePrinter

libstdc++-v3/ChangeLog:

	* python/libstdcxx/v6/printers.py (StdChronoTimeZoneRulePrinter):
	Fix incorrect number of replacement fields.

(cherry picked from commit 1fab05a885a308c19cf42b72fd36805ddf27fdc8)

diff --git a/libstdc++-v3/python/libstdcxx/v6/printers.py b/libstdc++-v3/python/libstdcxx/v6/printers.py
index c0056de2565a9f4b59007673fda9024648643daf..d60c8003a6359fa270f66d1131fce8661b089bd0 100644 (file)
--- a/libstdc++-v3/python/libstdcxx/v6/printers.py
+++ b/libstdc++-v3/python/libstdcxx/v6/printers.py
@@ -2215,7 +2215,7 @@ class StdChronoTimeZoneRulePrinter:
         day = on['day_of_month']
         ordinal_day = '{}{}'.format(day, suffixes.get(day, 'th'))
         if kind == 0:  # DayOfMonth
-            start = '{} {}{}'.format(month, ordinal_day)
+            start = '{} {}'.format(month, ordinal_day)
         else:
             weekday = weekdays[on['day_of_week']]
             if kind == 1:  # LastWeekDay