[gnome-subtitles] Update Polish translation

[Piotr Drąg <piotrdrag src gnome org>]

commit 1712d083309bedf8e1f2243b247f1e0098dc5303
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Jul 7 14:02:34 2019 +0200

    Update Polish translation

 po/pl.po | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)
---
diff --git a/po/pl.po b/po/pl.po
index 5bfca9b..022c9b3 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -9,8 +9,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: gnome-subtitles\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-06-02 14:00+0200\n"
-"PO-Revision-Date: 2019-06-02 14:01+0200\n"
+"POT-Creation-Date: 2019-07-07 14:01+0200\n"
+"PO-Revision-Date: 2019-07-07 14:02+0200\n"
 "Last-Translator: Piotr Drąg <piotrdrag gmail com>\n"
 "Language-Team: Polish <community-poland mozilla org>\n"
 "Language: pl\n"
@@ -1204,7 +1204,7 @@ msgid "None"
 msgstr "Brak"
 
 #: ../src/GnomeSubtitles/Dialog/FileOpenDialog.cs:275
-#: ../src/GnomeSubtitles/Dialog/VideoOpenDialog.cs:79
+#: ../src/GnomeSubtitles/Dialog/VideoOpenDialog.cs:102
 msgid "All Files"
 msgstr "Wszystkie pliki"
 
@@ -1713,17 +1713,21 @@ msgstr ""
 "Synchronizacja jest gotowa. Te napisy nie zostaną zsynchronizowane: {0} "
 "i {1}."
 
-#: ../src/GnomeSubtitles/Dialog/VideoOpenDialog.cs:43
+#: ../src/GnomeSubtitles/Dialog/VideoOpenDialog.cs:54
 msgid "Open Video"
 msgstr "Otwarcie wideo"
 
-#: ../src/GnomeSubtitles/Dialog/VideoOpenDialog.cs:63
-msgid "All Video Files"
-msgstr "Wszystkie pliki wideo"
+#: ../src/GnomeSubtitles/Dialog/VideoOpenDialog.cs:74
+msgid "All Media Files"
+msgstr "Wszystkie pliki multimedialne"
 
-#: ../src/GnomeSubtitles/Dialog/VideoOpenDialog.cs:71
-msgid "All Audio Files"
-msgstr "Wszystkie pliki dźwiękowe"
+#: ../src/GnomeSubtitles/Dialog/VideoOpenDialog.cs:85
+msgid "Video Files"
+msgstr "Pliki wideo"
+
+#: ../src/GnomeSubtitles/Dialog/VideoOpenDialog.cs:93
+msgid "Audio Files"
+msgstr "Pliki dźwiękowe"
 
 #: ../src/GnomeSubtitles/Dialog/VideoSeekToDialog.cs:57
 msgid "Seek Video To"