[balsa] Update Polish translation

[Piotr Drąg <piotrdrag src gnome org>]

commit 4fa0fd9aeccc3da25aa762b9698baaddb69069f4
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Apr 8 15:01:50 2019 +0200

    Update Polish translation

 po/pl.po | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/po/pl.po b/po/pl.po
index fbec4d1fd..1146e9627 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -13,8 +13,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: balsa\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/balsa/issues\n";
-"POT-Creation-Date: 2019-04-06 16:23+0200\n"
-"PO-Revision-Date: 2019-04-06 16:24+0200\n"
+"POT-Creation-Date: 2019-04-08 15:00+0200\n"
+"PO-Revision-Date: 2019-04-08 15:01+0200\n"
 "Last-Translator: Piotr Drąg <piotrdrag gmail com>\n"
 "Language-Team: Polish <community-poland mozilla org>\n"
 "Language: pl\n"
@@ -396,6 +396,11 @@ msgstr "Oraz"
 msgid "Or"
 msgstr "Lub"
 
+#: ../libbalsa/folder-scanners.c:508
+#, c-format
+msgid "Could not connect to “%s”"
+msgstr "Nie można połączyć z „%s”"
+
 #: ../libbalsa/gmime-application-pkcs7.c:129
 #, c-format
 msgid "Failed to decrypt MIME part: parse error"