[gnome-robots] Update Polish translation

[Piotr Drąg <piotrdrag src gnome org>]

commit 867b43f7e285f85c08a3496e00736bea09f66352
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Wed Feb 6 22:08:46 2019 +0100

    Update Polish translation

 po/pl.po | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/po/pl.po b/po/pl.po
index 4da33ff..01865f2 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -19,8 +19,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: gnome-robots\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/gnome-robots/issues\n";
-"POT-Creation-Date: 2019-01-27 16:20+0000\n"
-"PO-Revision-Date: 2019-02-03 18:09+0100\n"
+"POT-Creation-Date: 2019-02-06 19:33+0000\n"
+"PO-Revision-Date: 2019-02-06 22:08+0100\n"
 "Last-Translator: Piotr Drąg <piotrdrag gmail com>\n"
 "Language-Team: Polish <community-poland mozilla org>\n"
 "Language: pl\n"
@@ -425,7 +425,7 @@ msgstr ""
 
 #: src/graphics.c:149
 #, c-format
-msgid "Could not find '%s' pixmap file\n"
+msgid "Could not find “%s” pixmap file\n"
 msgstr "Nie można odnaleźć pliku z mapą pikseli „%s”\n"
 
 #: src/properties.c:391