[gtranslator] Update Polish translation

[Piotr Drąg <piotrdrag src gnome org>]

commit 17f7d2238cb2e14b8845f71a870f6cce84cb994e
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Mar 30 14:56:54 2019 +0100

    Update Polish translation

 po/pl.po | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)
---
diff --git a/po/pl.po b/po/pl.po
index 21e9ec60..852c7e21 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -11,8 +11,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: gtranslator\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/gtranslator/issues\n";
-"POT-Creation-Date: 2019-03-23 18:32+0000\n"
-"PO-Revision-Date: 2019-03-25 13:15+0100\n"
+"POT-Creation-Date: 2019-03-30 09:13+0000\n"
+"PO-Revision-Date: 2019-03-30 14:55+0100\n"
 "Last-Translator: Piotr Drąg <piotrdrag gmail com>\n"
 "Language-Team: Polish <community-poland mozilla org>\n"
 "Language: pl\n"
@@ -584,10 +584,14 @@ msgstr "Przejście do komunikatu"
 msgid "Enter message number:"
 msgstr "Numer komunikatu:"
 
-#: src/gtr-lang-button.ui:61 src/gtr-lang-button.ui:70
+#: src/gtr-lang-button.ui:61
 msgid "Choose Language"
 msgstr "Wybór języka"
 
+#: src/gtr-lang-button.ui:70
+msgid "Choose _Language"
+msgstr "_Wybierz język"
+
 #: src/gtr-languages-fetcher.ui:46
 msgid "_Language"
 msgstr "_Język"
@@ -609,8 +613,8 @@ msgid "_Plural forms"
 msgstr "_Formy liczby mnogiej"
 
 #: src/gtr-languages-fetcher.ui:200
-msgid "Edit options manually"
-msgstr "Ręczna modyfikacja opcji"
+msgid "_Edit options manually"
+msgstr "_Ręczna modyfikacja opcji"
 
 #: src/gtr-message-table.c:219
 msgid "Original Message"