[gnome-calculator] Update Polish translation

[Piotr Drąg <piotrdrag src gnome org>]

commit 57f5018d35b67ff0bf0337166d26124948012a03
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Wed Sep 5 23:17:00 2018 +0200

    Update Polish translation

 po/pl.po | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)
---
diff --git a/po/pl.po b/po/pl.po
index 6871dcbb..42ae8486 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -13,8 +13,8 @@ msgstr ""
 "Project-Id-Version: gnome-calculator\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/gnome-calculator/";
 "issues\n"
-"POT-Creation-Date: 2018-07-24 22:53+0000\n"
-"PO-Revision-Date: 2018-08-01 03:22+0200\n"
+"POT-Creation-Date: 2018-09-05 20:02+0000\n"
+"PO-Revision-Date: 2018-09-05 23:15+0200\n"
 "Last-Translator: Piotr Drąg <piotrdrag gmail com>\n"
 "Language-Team: Polish <community-poland mozilla org>\n"
 "Language: pl\n"
@@ -1578,7 +1578,7 @@ msgstr "%s pc"
 #: lib/unit.vala:42
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
-msgstr "parsek,parseki,parsek,pc"
+msgstr "parsek,parseki,parseków,pc"
 
 #: lib/unit.vala:43
 msgid "Light Years"
@@ -1818,7 +1818,7 @@ msgstr "%s pt"
 #: lib/unit.vala:58
 msgctxt "unit-symbols"
 msgid "point,pt,points,pts"
-msgstr "punkt,pt,punkty"
+msgstr "punkt,pt,punkty,punktów"
 
 #: lib/unit.vala:59
 msgid "Hectares"
@@ -2067,7 +2067,7 @@ msgstr "%s g"
 #: lib/unit.vala:75
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
-msgstr "gram,gramy,g"
+msgstr "gram,gramy,gramów,g"
 
 #: lib/unit.vala:76
 msgid "Stone"
@@ -2232,7 +2232,7 @@ msgstr "%s K"
 #: lib/unit.vala:86
 msgctxt "unit-symbols"
 msgid "k,K,Kelvin,kelvin"
-msgstr "k,K,Kelwin,kelwin"
+msgstr "k,K,Kelwin,kelwin,kelwiny,kelwinów"
 
 #: lib/unit.vala:87
 msgid "Rankine"
@@ -2896,3 +2896,9 @@ msgstr "64 bity"
 #: src/math-window.vala:138
 msgid "_Quit"
 msgstr "Za_kończ"
+
+msgid "Defined Functions"
+msgstr "Określone funkcje"
+
+msgid "in"
+msgstr "na"