[recipes] Update Polish translation

[Piotr Drąg <piotrdrag src gnome org>]

commit 7395ec92a5717005434286af3bea83e4f3d090bc
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Jul 23 16:26:53 2017 +0200

    Update Polish translation

 po/pl.po |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/po/pl.po b/po/pl.po
index b8d67af..0cc0c1d 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -8,8 +8,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: recipes\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2017-07-16 16:01+0000\n"
-"PO-Revision-Date: 2017-07-16 18:02+0200\n"
+"POT-Creation-Date: 2017-07-22 18:02+0000\n"
+"PO-Revision-Date: 2017-07-23 16:25+0200\n"
 "Last-Translator: Piotr Drąg <piotrdrag gmail com>\n"
 "Language-Team: Polish <community-poland mozilla org>\n"
 "Language: pl\n"
@@ -731,6 +731,10 @@ msgstr "Kategorie"
 msgid "Featured GNOME Chefs"
 msgstr "Polecani kucharze GNOME"
 
+#: src/gr-recipe-tile.ui:60
+msgid "Contributed recipe"
+msgstr "Wysłany przepis"
+
 #: src/gr-search-page.ui:42
 msgid "Try a different search"
 msgstr "Proszę spróbować innych słów"