[simple-scan] Add Polish help screenshots

[Piotr Drąg <piotrdrag src gnome org>]

commit 1bf5689982a717fef8a2d9ae2fb239b866c632cc
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Sep 30 04:00:13 2017 +0200

    Add Polish help screenshots

 help/pl/figures/preferences.png  |  Bin 0 -> 23099 bytes
 help/pl/figures/scan_toolbar.png |  Bin 0 -> 17000 bytes
 2 files changed, 0 insertions(+), 0 deletions(-)
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diff --git a/help/pl/figures/preferences.png b/help/pl/figures/preferences.png
new file mode 100644
index 0000000..b11c96b
Binary files /dev/null and b/help/pl/figures/preferences.png differ
diff --git a/help/pl/figures/scan_toolbar.png b/help/pl/figures/scan_toolbar.png
new file mode 100644
index 0000000..eaeb089
Binary files /dev/null and b/help/pl/figures/scan_toolbar.png differ