[gimp] Update Polish translation

[Piotr Drąg <piotrdrag src gnome org>]

commit d5150edff8b834b7fe685982a4aabd98a5a8c726
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue May 15 20:50:14 2018 +0200

    Update Polish translation

 po-windows-installer/pl.po |   30 +++++++++++++++++-------------
 1 files changed, 17 insertions(+), 13 deletions(-)
---
diff --git a/po-windows-installer/pl.po b/po-windows-installer/pl.po
index 5181e09..6e92857 100644
--- a/po-windows-installer/pl.po
+++ b/po-windows-installer/pl.po
@@ -8,8 +8,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: gimp-windows-installer\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-05-06 19:20+0200\n"
-"PO-Revision-Date: 2018-05-06 19:22+0200\n"
+"POT-Creation-Date: 2018-05-15 20:48+0200\n"
+"PO-Revision-Date: 2018-05-15 20:49+0200\n"
 "Last-Translator: Piotr Drąg <piotrdrag gmail com>\n"
 "Language-Team: Polish <community-poland mozilla org>\n"
 "Language: pl\n"
@@ -348,52 +348,56 @@ msgstr ""
 msgid "There was an error restarting the Setup. (%1)"
 msgstr "Wystąpił błąd podczas ponownego uruchamiania instalatora. (%1)"
 
-#: ../build/windows/installer/lang/setup.isl.in.h:72
+#: ../build/windows/installer/lang/setup.isl.in.h:71
+msgid "Cleaning up old files..."
+msgstr "Usuwanie nieużywanych starych plików..."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:73
 #, no-c-format
 msgid "Remember: GIMP is Free Software.%n%nPlease visit"
 msgstr ""
 "Prosimy pamiętać: program GIMP jest wolnym oprogramowaniem.%n%nZapraszamy do "
 "odwiedzenia witryny"
 
-#: ../build/windows/installer/lang/setup.isl.in.h:73
+#: ../build/windows/installer/lang/setup.isl.in.h:74
 msgid "for free updates."
 msgstr "zawierającej bezpłatne aktualizacje."
 
-#: ../build/windows/installer/lang/setup.isl.in.h:74
+#: ../build/windows/installer/lang/setup.isl.in.h:75
 msgid "Setting up file associations..."
 msgstr "Ustawianie powiązań plików..."
 
-#: ../build/windows/installer/lang/setup.isl.in.h:75
+#: ../build/windows/installer/lang/setup.isl.in.h:76
 msgid "Setting up environment for GIMP Python extension..."
 msgstr "Ustawianie środowiska dla rozszerzenia języka Python programu GIMP..."
 
-#: ../build/windows/installer/lang/setup.isl.in.h:76
+#: ../build/windows/installer/lang/setup.isl.in.h:77
 msgid "Setting up MyPaint brushes..."
 msgstr "Ustawianie pędzli programu MyPaint..."
 
-#: ../build/windows/installer/lang/setup.isl.in.h:77
+#: ../build/windows/installer/lang/setup.isl.in.h:78
 msgid "Setting up GIMP environment..."
 msgstr "Ustawianie środowiska programu GIMP..."
 
-#: ../build/windows/installer/lang/setup.isl.in.h:78
+#: ../build/windows/installer/lang/setup.isl.in.h:79
 msgid "Setting up GIMP configuration for 32-bit plug-in support..."
 msgstr ""
 "Ustawianie konfiguracji programu GIMP do obsługi wtyczek 32-bitowych..."
 
-#: ../build/windows/installer/lang/setup.isl.in.h:79
+#: ../build/windows/installer/lang/setup.isl.in.h:80
 msgid "Launch GIMP"
 msgstr "Uruchomienie programu GIMP"
 
-#: ../build/windows/installer/lang/setup.isl.in.h:80
+#: ../build/windows/installer/lang/setup.isl.in.h:81
 msgid "Removing add-on"
 msgstr "Usuwanie dodatku"
 
-#: ../build/windows/installer/lang/setup.isl.in.h:82
+#: ../build/windows/installer/lang/setup.isl.in.h:83
 #, no-c-format
 msgid "Internal error (%1)."
 msgstr "Wewnętrzny błąd (%1)."
 
-#: ../build/windows/installer/lang/setup.isl.in.h:83
+#: ../build/windows/installer/lang/setup.isl.in.h:84
 msgid ""
 "GIMP does not appear to be installed in the selected directory. Continue "
 "anyway?"