Import revised translations.

Change-Id: Ic80fa8ba5d960b16a031dbb586196eb951d9501d
diff --git a/res/values-pl/strings.xml b/res/values-pl/strings.xml
index 2e1ce8f..9c5cb6a 100644
--- a/res/values-pl/strings.xml
+++ b/res/values-pl/strings.xml
@@ -56,10 +56,8 @@
     <string name="menu_select_calendars" msgid="6200145996783123958">"Kalendarze"</string>
     <string name="menu_preferences" msgid="9120238479503233925">"Ustawienia"</string>
     <string name="search" msgid="550656004486017426">"Szukaj"</string>
-    <!-- no translation found for hide_controls (830320505938520882) -->
-    <skip />
-    <!-- no translation found for show_controls (715520586028062621) -->
-    <skip />
+    <string name="hide_controls" msgid="830320505938520882">"Ukryj nawigację"</string>
+    <string name="show_controls" msgid="715520586028062621">"Pokaż nawigację"</string>
     <string name="calendars_title" msgid="4046980972626276968">"Kalendarze"</string>
     <string name="synced_visible" msgid="1406744353749335651">"synchronizowany, widoczny"</string>
     <string name="synced_not_visible" msgid="54032655953110609">"synchronizowany, niewidoczny"</string>